diff options
Diffstat (limited to 'gl/m4')
-rw-r--r-- | gl/m4/error.m4 | 39 | ||||
-rw-r--r-- | gl/m4/fcntl_h.m4 | 17 | ||||
-rw-r--r-- | gl/m4/fseeko.m4 | 8 | ||||
-rw-r--r-- | gl/m4/gnulib-cache.m4 | 3 | ||||
-rw-r--r-- | gl/m4/gnulib-comp.m4 | 351 | ||||
-rw-r--r-- | gl/m4/inttypes.m4 | 172 | ||||
-rw-r--r-- | gl/m4/manywarnings.m4 | 180 | ||||
-rw-r--r-- | gl/m4/memchr.m4 | 16 | ||||
-rw-r--r-- | gl/m4/netdb_h.m4 | 5 | ||||
-rw-r--r-- | gl/m4/stdint.m4 | 4 | ||||
-rw-r--r-- | gl/m4/stdio_h.m4 | 58 | ||||
-rw-r--r-- | gl/m4/strerror.m4 | 67 | ||||
-rw-r--r-- | gl/m4/strerror_r.m4 | 108 | ||||
-rw-r--r-- | gl/m4/string_h.m4 | 3 | ||||
-rw-r--r-- | gl/m4/sys_uio_h.m4 | 31 | ||||
-rw-r--r-- | gl/m4/thread.m4 | 18 | ||||
-rw-r--r-- | gl/m4/unistd_h.m4 | 93 | ||||
-rw-r--r-- | gl/m4/warnings.m4 | 6 | ||||
-rw-r--r-- | gl/m4/wchar_h.m4 | 9 | ||||
-rw-r--r-- | gl/m4/yield.m4 | 19 |
20 files changed, 879 insertions, 328 deletions
diff --git a/gl/m4/error.m4 b/gl/m4/error.m4 new file mode 100644 index 0000000000..6ea75ac029 --- /dev/null +++ b/gl/m4/error.m4 @@ -0,0 +1,39 @@ +#serial 13 + +# Copyright (C) 1996-1998, 2001-2004, 2009-2011 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_ERROR], +[ + AC_FUNC_ERROR_AT_LINE + dnl Note: AC_FUNC_ERROR_AT_LINE does AC_LIBSOURCES([error.h, error.c]). + gl_PREREQ_ERROR +]) + +# Redefine AC_FUNC_ERROR_AT_LINE, because it is no longer maintained in +# Autoconf. +AC_DEFUN([AC_FUNC_ERROR_AT_LINE], +[ + AC_LIBSOURCES([error.h, error.c])dnl + AC_CACHE_CHECK([for error_at_line], [ac_cv_lib_error_at_line], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <error.h>]], + [[error_at_line (0, 0, "", 0, "an error occurred");]])], + [ac_cv_lib_error_at_line=yes], + [ac_cv_lib_error_at_line=no])]) + if test $ac_cv_lib_error_at_line = no; then + AC_LIBOBJ([error]) + fi +]) + +# Prerequisites of lib/error.c. +AC_DEFUN([gl_PREREQ_ERROR], +[ + AC_REQUIRE([AC_FUNC_STRERROR_R]) + AC_REQUIRE([AC_C_INLINE]) + : +]) diff --git a/gl/m4/fcntl_h.m4 b/gl/m4/fcntl_h.m4 index 1ef4f455b7..c466da4df5 100644 --- a/gl/m4/fcntl_h.m4 +++ b/gl/m4/fcntl_h.m4 @@ -31,13 +31,14 @@ AC_DEFUN([gl_FCNTL_MODULE_INDICATOR], AC_DEFUN([gl_FCNTL_H_DEFAULTS], [ - GNULIB_FCNTL=0; AC_SUBST([GNULIB_FCNTL]) - GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN]) - GNULIB_OPENAT=0; AC_SUBST([GNULIB_OPENAT]) + GNULIB_FCNTL=0; AC_SUBST([GNULIB_FCNTL]) + GNULIB_NONBLOCKING=0; AC_SUBST([GNULIB_NONBLOCKING]) + GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN]) + GNULIB_OPENAT=0; AC_SUBST([GNULIB_OPENAT]) dnl Assume proper GNU behavior unless another module says otherwise. - HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL]) - HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT]) - REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL]) - REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN]) - REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT]) + HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL]) + HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT]) + REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL]) + REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN]) + REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT]) ]) diff --git a/gl/m4/fseeko.m4 b/gl/m4/fseeko.m4 index 76507d128f..28da81b1cc 100644 --- a/gl/m4/fseeko.m4 +++ b/gl/m4/fseeko.m4 @@ -1,4 +1,4 @@ -# fseeko.m4 serial 11 +# fseeko.m4 serial 12 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -23,6 +23,12 @@ AC_DEFUN([gl_FUNC_FSEEKO], gl_REPLACE_FSEEKO fi fi + m4_ifdef([gl_FUNC_FFLUSH_STDIN], [ + gl_FUNC_FFLUSH_STDIN + if test $gl_cv_func_fflush_stdin = no; then + gl_REPLACE_FSEEKO + fi + ]) ]) dnl Tests whether fseeko is available. diff --git a/gl/m4/gnulib-cache.m4 b/gl/m4/gnulib-cache.m4 index af93a3413f..f67b5e49eb 100644 --- a/gl/m4/gnulib-cache.m4 +++ b/gl/m4/gnulib-cache.m4 @@ -15,7 +15,7 @@ # Specification in the form of a command-line invocation: -# gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --with-tests --avoid=alignof-tests --avoid=lseek-tests --libtool --macro-prefix=gl alloca byteswap c-ctype crypto/hmac-md5 crypto/md5 extensions func getpass gettext gettime havelib lib-msvc-compat lib-symbol-versions manywarnings memmem-simple minmax netdb netinet_in progname read-file snprintf sockets socklen stdint strcase strverscmp sys_socket sys_stat time_r timespec u64 unistd valgrind-tests vasprintf version-etc version-etc-fsf vsnprintf warnings +# gnulib-tool --import --dir=. --local-dir=gl/override --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --with-tests --avoid=alignof-tests --avoid=lseek-tests --libtool --macro-prefix=gl alloca byteswap c-ctype crypto/hmac-md5 crypto/md5 error extensions func getpass gettext gettime havelib lib-msvc-compat lib-symbol-versions manywarnings memmem-simple minmax netdb netinet_in progname read-file snprintf sockets socklen stdint strcase strverscmp sys_socket sys_stat time_r timespec u64 unistd valgrind-tests vasprintf version-etc version-etc-fsf vsnprintf warnings # Specification in the form of a few gnulib-tool.m4 macro invocations: gl_LOCAL_DIR([gl/override]) @@ -25,6 +25,7 @@ gl_MODULES([ c-ctype crypto/hmac-md5 crypto/md5 + error extensions func getpass diff --git a/gl/m4/gnulib-comp.m4 b/gl/m4/gnulib-comp.m4 index ecfb90420d..1776453d68 100644 --- a/gl/m4/gnulib-comp.m4 +++ b/gl/m4/gnulib-comp.m4 @@ -26,6 +26,7 @@ AC_DEFUN([gl_EARLY], m4_pattern_allow([^gl_LIBOBJS$])dnl a variable m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable AC_REQUIRE([AC_PROG_RANLIB]) + AC_REQUIRE([AM_PROG_CC_C_O]) # Code from module alignof: # Code from module alloca: # Code from module alloca-opt: @@ -39,17 +40,18 @@ AC_DEFUN([gl_EARLY], # Code from module c-ctype: # Code from module c-ctype-tests: # Code from module clock-time: - # Code from module close-hook: # Code from module crypto/hmac-md5: # Code from module crypto/hmac-md5-tests: # Code from module crypto/md5: # Code from module crypto/md5-tests: # Code from module errno: # Code from module errno-tests: + # Code from module error: # Code from module extensions: AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) # Code from module fcntl-h: # Code from module fcntl-h-tests: + # Code from module fd-hook: # Code from module float: # Code from module fseeko: AC_REQUIRE([AC_FUNC_FSEEKO]) @@ -73,8 +75,14 @@ AC_DEFUN([gl_EARLY], # Code from module havelib: # Code from module include_next: # Code from module intprops: + # Code from module intprops-tests: + # Code from module inttypes: + # Code from module inttypes-incomplete: + # Code from module inttypes-tests: # Code from module lib-msvc-compat: # Code from module lib-symbol-versions: + # Code from module lock: + # Code from module lock-tests: # Code from module lseek: # Code from module malloc-posix: # Code from module manywarnings: @@ -117,6 +125,10 @@ AC_DEFUN([gl_EARLY], # Code from module stdlib-tests: # Code from module strcase: # Code from module strdup-posix: + # Code from module strerror: + # Code from module strerror-tests: + # Code from module strerror_r-posix: + # Code from module strerror_r-posix-tests: # Code from module string: # Code from module string-tests: # Code from module strings: @@ -129,6 +141,11 @@ AC_DEFUN([gl_EARLY], # Code from module sys_stat-tests: # Code from module sys_time: # Code from module sys_time-tests: + # Code from module sys_uio: + # Code from module sys_uio-tests: + # Code from module thread: + # Code from module threadlib: + gl_THREADLIB_EARLY # Code from module time: # Code from module time-tests: # Code from module time_r: @@ -154,6 +171,7 @@ AC_DEFUN([gl_EARLY], # Code from module wchar: # Code from module wchar-tests: # Code from module xsize: + # Code from module yield: ]) # This macro should be invoked from ./configure.ac, in the section @@ -170,176 +188,112 @@ AC_DEFUN([gl_INIT], m4_pushdef([gl_LIBSOURCES_DIR], []) gl_COMMON gl_source_base='gl' - # Code from module alignof: - # Code from module alloca: changequote(,)dnl LTALLOCA=`echo "$ALLOCA" | sed -e 's/\.[^.]* /.lo /g;s/\.[^.]*$/.lo/'` changequote([, ])dnl AC_SUBST([LTALLOCA]) - # Code from module alloca-opt: - gl_FUNC_ALLOCA - # Code from module arg-nonnull: - # Code from module byteswap: - gl_BYTESWAP - # Code from module c++defs: - # Code from module c-ctype: - # Code from module clock-time: - gl_CLOCK_TIME - # Code from module close-hook: - # Code from module crypto/hmac-md5: - gl_HMAC_MD5 - # Code from module crypto/md5: - gl_MD5 - # Code from module errno: - gl_HEADER_ERRNO_H - # Code from module extensions: - # Code from module float: - gl_FLOAT_H - # Code from module fseeko: - gl_FUNC_FSEEKO - gl_STDIO_MODULE_INDICATOR([fseeko]) - # Code from module ftello: - gl_FUNC_FTELLO - gl_STDIO_MODULE_INDICATOR([ftello]) - # Code from module func: - gl_FUNC - # Code from module getdelim: - gl_FUNC_GETDELIM - gl_STDIO_MODULE_INDICATOR([getdelim]) - # Code from module getline: - gl_FUNC_GETLINE - gl_STDIO_MODULE_INDICATOR([getline]) - # Code from module getpass: - gl_FUNC_GETPASS - # Code from module gettext: - dnl you must add AM_GNU_GETTEXT([external]) or similar to configure.ac. - AM_GNU_GETTEXT_VERSION([0.18.1]) - # Code from module gettext-h: - AC_SUBST([LIBINTL]) - AC_SUBST([LTLIBINTL]) - # Code from module gettime: - gl_GETTIME - # Code from module gettimeofday: - gl_FUNC_GETTIMEOFDAY - gl_SYS_TIME_MODULE_INDICATOR([gettimeofday]) - # Code from module havelib: - # Code from module include_next: - # Code from module lib-msvc-compat: - gl_LD_OUTPUT_DEF - # Code from module lib-symbol-versions: - gl_LD_VERSION_SCRIPT - # Code from module lseek: - gl_FUNC_LSEEK - gl_UNISTD_MODULE_INDICATOR([lseek]) - # Code from module malloc-posix: - gl_FUNC_MALLOC_POSIX - gl_STDLIB_MODULE_INDICATOR([malloc-posix]) - # Code from module manywarnings: - # Code from module memchr: - gl_FUNC_MEMCHR - gl_STRING_MODULE_INDICATOR([memchr]) - # Code from module memmem-simple: - gl_FUNC_MEMMEM_SIMPLE - gl_STRING_MODULE_INDICATOR([memmem]) - # Code from module memxor: - gl_MEMXOR - # Code from module minmax: - gl_MINMAX - # Code from module multiarch: - gl_MULTIARCH - # Code from module netdb: - gl_HEADER_NETDB - # Code from module netinet_in: - gl_HEADER_NETINET_IN - AC_PROG_MKDIR_P - # Code from module progname: - AC_CHECK_DECLS([program_invocation_name], [], [], [#include <errno.h>]) - AC_CHECK_DECLS([program_invocation_short_name], [], [], [#include <errno.h>]) - # Code from module read-file: - gl_FUNC_READ_FILE - # Code from module realloc-posix: - gl_FUNC_REALLOC_POSIX - gl_STDLIB_MODULE_INDICATOR([realloc-posix]) - # Code from module size_max: - gl_SIZE_MAX - # Code from module snprintf: - gl_FUNC_SNPRINTF - gl_STDIO_MODULE_INDICATOR([snprintf]) - gl_MODULE_INDICATOR([snprintf]) - # Code from module socketlib: - gl_SOCKETLIB - # Code from module sockets: - gl_SOCKETS - # Code from module socklen: - gl_TYPE_SOCKLEN_T - # Code from module stdarg: - gl_STDARG_H - # Code from module stdbool: - AM_STDBOOL_H - # Code from module stddef: - gl_STDDEF_H - # Code from module stdint: - gl_STDINT_H - # Code from module stdio: - gl_STDIO_H - # Code from module stdlib: - gl_STDLIB_H - # Code from module strcase: - gl_STRCASE - # Code from module strdup-posix: - gl_FUNC_STRDUP_POSIX - gl_STRING_MODULE_INDICATOR([strdup]) - # Code from module string: - gl_HEADER_STRING_H - # Code from module strings: - gl_HEADER_STRINGS_H - # Code from module strverscmp: - gl_FUNC_STRVERSCMP - gl_STRING_MODULE_INDICATOR([strverscmp]) - # Code from module sys_socket: - gl_HEADER_SYS_SOCKET - AC_PROG_MKDIR_P - # Code from module sys_stat: - gl_HEADER_SYS_STAT_H - AC_PROG_MKDIR_P - # Code from module sys_time: - gl_HEADER_SYS_TIME_H - AC_PROG_MKDIR_P - # Code from module time: - gl_HEADER_TIME_H - # Code from module time_r: - gl_TIME_R - gl_TIME_MODULE_INDICATOR([time_r]) - # Code from module timespec: - gl_TIMESPEC - # Code from module u64: - AC_REQUIRE([AC_C_INLINE]) - # Code from module unistd: - gl_UNISTD_H - # Code from module valgrind-tests: - gl_VALGRIND_TESTS - # Code from module vasnprintf: - gl_FUNC_VASNPRINTF - # Code from module vasprintf: - gl_FUNC_VASPRINTF - gl_STDIO_MODULE_INDICATOR([vasprintf]) - m4_ifdef([AM_XGETTEXT_OPTION], - [AM_][XGETTEXT_OPTION([--flag=asprintf:2:c-format]) - AM_][XGETTEXT_OPTION([--flag=vasprintf:2:c-format])]) - # Code from module verify: - # Code from module version-etc: - gl_VERSION_ETC - # Code from module version-etc-fsf: - # Code from module vsnprintf: - gl_FUNC_VSNPRINTF - gl_STDIO_MODULE_INDICATOR([vsnprintf]) - # Code from module warn-on-use: - # Code from module warnings: - AC_SUBST([WARN_CFLAGS]) - # Code from module wchar: - gl_WCHAR_H - # Code from module xsize: - gl_XSIZE +gl_FUNC_ALLOCA +gl_BYTESWAP +gl_CLOCK_TIME +gl_HMAC_MD5 +gl_MD5 +gl_HEADER_ERRNO_H +gl_ERROR +m4_ifdef([AM_XGETTEXT_OPTION], + [AM_][XGETTEXT_OPTION([--flag=error:3:c-format]) + AM_][XGETTEXT_OPTION([--flag=error_at_line:5:c-format])]) +gl_FLOAT_H +gl_FUNC_FSEEKO +gl_STDIO_MODULE_INDICATOR([fseeko]) +gl_FUNC_FTELLO +gl_STDIO_MODULE_INDICATOR([ftello]) +gl_FUNC +gl_FUNC_GETDELIM +gl_STDIO_MODULE_INDICATOR([getdelim]) +gl_FUNC_GETLINE +gl_STDIO_MODULE_INDICATOR([getline]) +gl_FUNC_GETPASS +dnl you must add AM_GNU_GETTEXT([external]) or similar to configure.ac. +AM_GNU_GETTEXT_VERSION([0.18.1]) +AC_SUBST([LIBINTL]) +AC_SUBST([LTLIBINTL]) +gl_GETTIME +gl_FUNC_GETTIMEOFDAY +gl_SYS_TIME_MODULE_INDICATOR([gettimeofday]) +gl_LD_OUTPUT_DEF +gl_LD_VERSION_SCRIPT +gl_LOCK +gl_FUNC_LSEEK +gl_UNISTD_MODULE_INDICATOR([lseek]) +gl_FUNC_MALLOC_POSIX +gl_STDLIB_MODULE_INDICATOR([malloc-posix]) +gl_FUNC_MEMCHR +gl_STRING_MODULE_INDICATOR([memchr]) +gl_FUNC_MEMMEM_SIMPLE +gl_STRING_MODULE_INDICATOR([memmem]) +gl_MEMXOR +gl_MINMAX +gl_MULTIARCH +gl_HEADER_NETDB +gl_HEADER_NETINET_IN +AC_PROG_MKDIR_P +AC_CHECK_DECLS([program_invocation_name], [], [], [#include <errno.h>]) +AC_CHECK_DECLS([program_invocation_short_name], [], [], [#include <errno.h>]) +gl_FUNC_READ_FILE +gl_FUNC_REALLOC_POSIX +gl_STDLIB_MODULE_INDICATOR([realloc-posix]) +gl_SIZE_MAX +gl_FUNC_SNPRINTF +gl_STDIO_MODULE_INDICATOR([snprintf]) +gl_MODULE_INDICATOR([snprintf]) +gl_SOCKETLIB +gl_SOCKETS +gl_TYPE_SOCKLEN_T +gl_STDARG_H +AM_STDBOOL_H +gl_STDDEF_H +gl_STDINT_H +gl_STDIO_H +gl_STDLIB_H +gl_STRCASE +gl_FUNC_STRDUP_POSIX +gl_STRING_MODULE_INDICATOR([strdup]) +gl_FUNC_STRERROR +gl_STRING_MODULE_INDICATOR([strerror]) +gl_FUNC_STRERROR_R +gl_STRING_MODULE_INDICATOR([strerror_r]) +gl_HEADER_STRING_H +gl_HEADER_STRINGS_H +gl_FUNC_STRVERSCMP +gl_STRING_MODULE_INDICATOR([strverscmp]) +gl_HEADER_SYS_SOCKET +AC_PROG_MKDIR_P +gl_HEADER_SYS_STAT_H +AC_PROG_MKDIR_P +gl_HEADER_SYS_TIME_H +AC_PROG_MKDIR_P +gl_HEADER_SYS_UIO +AC_PROG_MKDIR_P +gl_THREADLIB +gl_HEADER_TIME_H +gl_TIME_R +gl_TIME_MODULE_INDICATOR([time_r]) +gl_TIMESPEC +AC_REQUIRE([AC_C_INLINE]) +gl_UNISTD_H +gl_VALGRIND_TESTS +gl_FUNC_VASNPRINTF +gl_FUNC_VASPRINTF +gl_STDIO_MODULE_INDICATOR([vasprintf]) +m4_ifdef([AM_XGETTEXT_OPTION], + [AM_][XGETTEXT_OPTION([--flag=asprintf:2:c-format]) + AM_][XGETTEXT_OPTION([--flag=vasprintf:2:c-format])]) +gl_VERSION_ETC +gl_FUNC_VSNPRINTF +gl_STDIO_MODULE_INDICATOR([vsnprintf]) +AC_SUBST([WARN_CFLAGS]) +gl_WCHAR_H +gl_XSIZE # End of code from modules m4_ifval(gl_LIBSOURCES_LIST, [ m4_syscmd([test ! -d ]m4_defn([gl_LIBSOURCES_DIR])[ || @@ -386,19 +340,23 @@ changequote([, ])dnl AC_SUBST([gltests_WITNESS]) gl_module_indicator_condition=$gltests_WITNESS m4_pushdef([gl_MODULE_INDICATOR_CONDITION], [$gl_module_indicator_condition]) - gl_FCNTL_H - gl_FUNC_UNGETC_WORKS - gl_FUNC_UNGETC_WORKS - gl_FUNC_GETPAGESIZE - gl_UNISTD_MODULE_INDICATOR([getpagesize]) - dnl Check for prerequisites for memory fence checks. - gl_FUNC_MMAP_ANON - AC_CHECK_HEADERS_ONCE([sys/mman.h]) - AC_CHECK_FUNCS_ONCE([mprotect]) - gt_TYPE_WCHAR_T - gt_TYPE_WINT_T - AC_CHECK_FUNCS_ONCE([shutdown]) - gl_VALGRIND_TESTS +gl_FCNTL_H +gl_FUNC_UNGETC_WORKS +gl_FUNC_UNGETC_WORKS +gl_FUNC_GETPAGESIZE +gl_UNISTD_MODULE_INDICATOR([getpagesize]) +gl_INTTYPES_H +gl_INTTYPES_INCOMPLETE +dnl Check for prerequisites for memory fence checks. +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) +gt_TYPE_WCHAR_T +gt_TYPE_WINT_T +AC_CHECK_FUNCS_ONCE([shutdown]) +gl_THREAD +gl_VALGRIND_TESTS +gl_YIELD m4_popdef([gl_MODULE_INDICATOR_CONDITION]) m4_ifval(gltests_LIBSOURCES_LIST, [ m4_syscmd([test ! -d ]m4_defn([gltests_LIBSOURCES_DIR])[ || @@ -503,9 +461,11 @@ AC_DEFUN([gl_FILE_LIST], [ lib/byteswap.in.h lib/c-ctype.c lib/c-ctype.h - lib/close-hook.c - lib/close-hook.h lib/errno.in.h + lib/error.c + lib/error.h + lib/fd-hook.c + lib/fd-hook.h lib/float+.h lib/float.in.h lib/fseeko.c @@ -517,8 +477,12 @@ AC_DEFUN([gl_FILE_LIST], [ lib/gettext.h lib/gettime.c lib/gettimeofday.c + lib/glthread/lock.c + lib/glthread/lock.h + lib/glthread/threadlib.c lib/hmac-md5.c lib/hmac.h + lib/intprops.h lib/lseek.c lib/malloc.c lib/md5.c @@ -554,6 +518,9 @@ AC_DEFUN([gl_FILE_LIST], [ lib/str-two-way.h lib/strcasecmp.c lib/strdup.c + lib/strerror-impl.h + lib/strerror.c + lib/strerror_r.c lib/string.in.h lib/strings.in.h lib/strncasecmp.c @@ -561,6 +528,7 @@ AC_DEFUN([gl_FILE_LIST], [ lib/sys_socket.in.h lib/sys_stat.in.h lib/sys_time.in.h + lib/sys_uio.in.h lib/time.in.h lib/time_r.c lib/timespec.h @@ -583,6 +551,7 @@ AC_DEFUN([gl_FILE_LIST], [ m4/clock_time.m4 m4/codeset.m4 m4/errno_h.m4 + m4/error.m4 m4/extensions.m4 m4/fcntl-o.m4 m4/fcntl_h.m4 @@ -610,6 +579,7 @@ AC_DEFUN([gl_FILE_LIST], [ m4/intmax.m4 m4/intmax_t.m4 m4/inttypes-pri.m4 + m4/inttypes.m4 m4/inttypes_h.m4 m4/lcmessage.m4 m4/ld-output-def.m4 @@ -653,12 +623,16 @@ AC_DEFUN([gl_FILE_LIST], [ m4/stdlib_h.m4 m4/strcase.m4 m4/strdup.m4 + m4/strerror.m4 + m4/strerror_r.m4 m4/string_h.m4 m4/strings_h.m4 m4/strverscmp.m4 m4/sys_socket_h.m4 m4/sys_stat_h.m4 m4/sys_time_h.m4 + m4/sys_uio_h.m4 + m4/thread.m4 m4/threadlib.m4 m4/time_h.m4 m4/time_r.m4 @@ -678,6 +652,7 @@ AC_DEFUN([gl_FILE_LIST], [ m4/wchar_t.m4 m4/wint_t.m4 m4/xsize.m4 + m4/yield.m4 tests/init.sh tests/macros.h tests/signature.h @@ -700,6 +675,9 @@ AC_DEFUN([gl_FILE_LIST], [ tests/test-getline.c tests/test-gettimeofday.c tests/test-hmac-md5.c + tests/test-intprops.c + tests/test-inttypes.c + tests/test-lock.c tests/test-md5.c tests/test-memchr.c tests/test-netdb.c @@ -712,12 +690,15 @@ AC_DEFUN([gl_FILE_LIST], [ tests/test-stdint.c tests/test-stdio.c tests/test-stdlib.c + tests/test-strerror.c + tests/test-strerror_r.c tests/test-string.c tests/test-strings.c tests/test-strverscmp.c tests/test-sys_socket.c tests/test-sys_stat.c tests/test-sys_time.c + tests/test-sys_uio.c tests/test-sys_wait.h tests/test-time.c tests/test-u64.c @@ -732,8 +713,10 @@ AC_DEFUN([gl_FILE_LIST], [ tests/test-wchar.c tests/zerosize-ptr.h tests=lib/binary-io.h - tests=lib/dummy.c tests=lib/fcntl.in.h tests=lib/getpagesize.c - tests=lib/intprops.h + tests=lib/glthread/thread.c + tests=lib/glthread/thread.h + tests=lib/glthread/yield.h + tests=lib/inttypes.in.h ]) diff --git a/gl/m4/inttypes.m4 b/gl/m4/inttypes.m4 new file mode 100644 index 0000000000..cc027a417f --- /dev/null +++ b/gl/m4/inttypes.m4 @@ -0,0 +1,172 @@ +# inttypes.m4 serial 24 +dnl Copyright (C) 2006-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Derek Price, Bruno Haible. +dnl Test whether <inttypes.h> is supported or must be substituted. + +AC_DEFUN([gl_INTTYPES_H], +[ + AC_REQUIRE([gl_INTTYPES_INCOMPLETE]) + gl_INTTYPES_PRI_SCN +]) + +AC_DEFUN_ONCE([gl_INTTYPES_INCOMPLETE], +[ + AC_REQUIRE([gl_STDINT_H]) + AC_CHECK_HEADERS_ONCE([inttypes.h]) + + dnl Override <inttypes.h> always, so that the portability warnings work. + AC_REQUIRE([gl_INTTYPES_H_DEFAULTS]) + gl_CHECK_NEXT_HEADERS([inttypes.h]) + + AC_REQUIRE([gl_MULTIARCH]) + + dnl Ensure that <stdint.h> defines the limit macros, since gnulib's + dnl <inttypes.h> relies on them. This macro is only needed when a + dnl C++ compiler is in use; it has no effect for a C compiler. + dnl Also be careful to define __STDC_LIMIT_MACROS only when gnulib's + dnl <inttypes.h> is going to be created, and to avoid redefinition warnings + dnl if the __STDC_LIMIT_MACROS is already defined through the CPPFLAGS. + AC_DEFINE([GL_TRIGGER_STDC_LIMIT_MACROS], [1], + [Define to make the limit macros in <stdint.h> visible.]) + AH_VERBATIM([__STDC_LIMIT_MACROS_ZZZ], +[/* Ensure that <stdint.h> defines the limit macros, since gnulib's + <inttypes.h> relies on them. */ +#if defined __cplusplus && !defined __STDC_LIMIT_MACROS && GL_TRIGGER_STDC_LIMIT_MACROS +# define __STDC_LIMIT_MACROS 1 +#endif +]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <inttypes.h> + ]], [imaxabs imaxdiv strtoimax strtoumax]) +]) + +# Ensure that the PRI* and SCN* macros are defined appropriately. +AC_DEFUN([gl_INTTYPES_PRI_SCN], +[ + AC_REQUIRE([gt_INTTYPES_PRI]) + + PRIPTR_PREFIX= + if test -n "$STDINT_H"; then + dnl Using the gnulib <stdint.h>. It always defines intptr_t to 'long'. + PRIPTR_PREFIX='"l"' + else + dnl Using the system's <stdint.h>. + for glpfx in '' l ll I64; do + case $glpfx in + '') gltype1='int';; + l) gltype1='long int';; + ll) gltype1='long long int';; + I64) gltype1='__int64';; + esac + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <stdint.h> + extern intptr_t foo; + extern $gltype1 foo;]])], + [PRIPTR_PREFIX='"'$glpfx'"']) + test -n "$PRIPTR_PREFIX" && break + done + fi + AC_SUBST([PRIPTR_PREFIX]) + + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [INT32_MAX_LT_INTMAX_MAX], + [defined INT32_MAX && defined INTMAX_MAX], + [INT32_MAX < INTMAX_MAX], + [sizeof (int) < sizeof (long long int)]) + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [INT64_MAX_EQ_LONG_MAX], + [defined INT64_MAX], + [INT64_MAX == LONG_MAX], + [sizeof (long long int) == sizeof (long int)]) + else + INT64_MAX_EQ_LONG_MAX=-1 + fi + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [UINT32_MAX_LT_UINTMAX_MAX], + [defined UINT32_MAX && defined UINTMAX_MAX], + [UINT32_MAX < UINTMAX_MAX], + [sizeof (unsigned int) < sizeof (unsigned long long int)]) + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [UINT64_MAX_EQ_ULONG_MAX], + [defined UINT64_MAX], + [UINT64_MAX == ULONG_MAX], + [sizeof (unsigned long long int) == sizeof (unsigned long int)]) + else + UINT64_MAX_EQ_ULONG_MAX=-1 + fi +]) + +# Define the symbol $1 to be 1 if the condition is true, 0 otherwise. +# If $2 is true, the condition is $3; otherwise if long long int is supported +# approximate the condition with $4; otherwise, assume the condition is false. +# The condition should work on all C99 platforms; the approximations should be +# good enough to work on all practical pre-C99 platforms. +# $2 is evaluated by the C preprocessor, $3 and $4 as compile-time constants. +AC_DEFUN([gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION], +[ + AC_CACHE_CHECK([whether $3], + [gl_cv_test_$1], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[/* Work also in C++ mode. */ + #define __STDC_LIMIT_MACROS 1 + + /* Work if build is not clean. */ + #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H + + #include <limits.h> + #if HAVE_STDINT_H + #include <stdint.h> + #endif + + #if $2 + #define CONDITION ($3) + #elif HAVE_LONG_LONG_INT + #define CONDITION ($4) + #else + #define CONDITION 0 + #endif + int test[CONDITION ? 1 : -1];]])], + [gl_cv_test_$1=yes], + [gl_cv_test_$1=no])]) + if test $gl_cv_test_$1 = yes; then + $1=1; + else + $1=0; + fi + AC_SUBST([$1]) +]) + +AC_DEFUN([gl_INTTYPES_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_INTTYPES_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_INTTYPES_H_DEFAULTS], +[ + GNULIB_IMAXABS=0; AC_SUBST([GNULIB_IMAXABS]) + GNULIB_IMAXDIV=0; AC_SUBST([GNULIB_IMAXDIV]) + GNULIB_STRTOIMAX=0; AC_SUBST([GNULIB_STRTOIMAX]) + GNULIB_STRTOUMAX=0; AC_SUBST([GNULIB_STRTOUMAX]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_IMAXABS=1; AC_SUBST([HAVE_DECL_IMAXABS]) + HAVE_DECL_IMAXDIV=1; AC_SUBST([HAVE_DECL_IMAXDIV]) + HAVE_DECL_STRTOIMAX=1; AC_SUBST([HAVE_DECL_STRTOIMAX]) + HAVE_DECL_STRTOUMAX=1; AC_SUBST([HAVE_DECL_STRTOUMAX]) + INT32_MAX_LT_INTMAX_MAX=1; AC_SUBST([INT32_MAX_LT_INTMAX_MAX]) + INT64_MAX_EQ_LONG_MAX='defined _LP64'; AC_SUBST([INT64_MAX_EQ_LONG_MAX]) + PRI_MACROS_BROKEN=0; AC_SUBST([PRI_MACROS_BROKEN]) + PRIPTR_PREFIX=__PRIPTR_PREFIX; AC_SUBST([PRIPTR_PREFIX]) + UINT32_MAX_LT_UINTMAX_MAX=1; AC_SUBST([UINT32_MAX_LT_UINTMAX_MAX]) + UINT64_MAX_EQ_ULONG_MAX='defined _LP64'; AC_SUBST([UINT64_MAX_EQ_ULONG_MAX]) +]) diff --git a/gl/m4/manywarnings.m4 b/gl/m4/manywarnings.m4 index e928821952..67db064a9f 100644 --- a/gl/m4/manywarnings.m4 +++ b/gl/m4/manywarnings.m4 @@ -35,74 +35,124 @@ AC_DEFUN([gl_MANYWARN_COMPLEMENT], # using gl_WARN_ADD if you want to make sure your gcc understands it. AC_DEFUN([gl_MANYWARN_ALL_GCC], [ - gl_manywarn_set= - for gl_manywarn_item in \ - -Wall \ - -W \ - -Wformat-y2k \ - -Wformat-nonliteral \ - -Wformat-security \ - -Winit-self \ - -Wmissing-include-dirs \ - -Wswitch-default \ - -Wswitch-enum \ - -Wunused \ - -Wunknown-pragmas \ - -Wstrict-aliasing \ - -Wstrict-overflow \ - -Wsystem-headers \ - -Wfloat-equal \ - -Wtraditional \ - -Wtraditional-conversion \ - -Wdeclaration-after-statement \ - -Wundef \ - -Wshadow \ - -Wunsafe-loop-optimizations \ - -Wpointer-arith \ - -Wbad-function-cast \ - -Wc++-compat \ - -Wcast-qual \ - -Wcast-align \ - -Wwrite-strings \ - -Wconversion \ - -Wsign-conversion \ - -Wlogical-op \ - -Waggregate-return \ - -Wstrict-prototypes \ - -Wold-style-definition \ - -Wmissing-prototypes \ - -Wmissing-declarations \ - -Wmissing-noreturn \ - -Wmissing-format-attribute \ - -Wpacked \ - -Wpadded \ - -Wredundant-decls \ - -Wnested-externs \ - -Wunreachable-code \ - -Winline \ - -Winvalid-pch \ - -Wlong-long \ - -Wvla \ - -Wvolatile-register-var \ - -Wdisabled-optimization \ - -Wstack-protector \ - -Woverlength-strings \ - -Wbuiltin-macro-redefined \ - -Wmudflap \ - -Wpacked-bitfield-compat \ - -Wsync-nand \ - ; do + dnl First, check if -Wno-missing-field-initializers is needed. + dnl -Wmissing-field-initializers is implied by -W, but that issues + dnl warnings with GCC version before 4.7, for the common idiom + dnl of initializing types on the stack to zero, using { 0, } + AC_REQUIRE([AC_PROG_CC]) + if test -n "$GCC"; then + + dnl First, check -W -Werror -Wno-missing-field-initializers is supported + dnl with the current $CC $CFLAGS $CPPFLAGS. + AC_MSG_CHECKING([whether -Wno-missing-field-initializers is supported]) + AC_CACHE_VAL([gl_cv_cc_nomfi_supported], [ + gl_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -W -Werror -Wno-missing-field-initializers" + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[]], [[]])], + [gl_cv_cc_nomfi_supported=yes], + [gl_cv_cc_nomfi_supported=no]) + CFLAGS="$gl_save_CFLAGS"]) + AC_MSG_RESULT([$gl_cv_cc_nomfi_supported]) + + if test "$gl_cv_cc_nomfi_supported" = yes; then + dnl Now check whether -Wno-missing-field-initializers is needed + dnl for the { 0, } construct. + AC_MSG_CHECKING([whether -Wno-missing-field-initializers is needed]) + AC_CACHE_VAL([gl_cv_cc_nomfi_needed], [ + gl_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -W -Werror" + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[void f (void) + { + typedef struct { int a; int b; } s_t; + s_t s1 = { 0, }; + } + ]], + [[]])], + [gl_cv_cc_nomfi_needed=no], + [gl_cv_cc_nomfi_needed=yes]) + CFLAGS="$gl_save_CFLAGS" + ]) + AC_MSG_RESULT([$gl_cv_cc_nomfi_needed]) + fi + fi + + gl_manywarn_set= + for gl_manywarn_item in \ + -Wall \ + -W \ + -Wformat-y2k \ + -Wformat-nonliteral \ + -Wformat-security \ + -Winit-self \ + -Wmissing-include-dirs \ + -Wswitch-default \ + -Wswitch-enum \ + -Wunused \ + -Wunknown-pragmas \ + -Wstrict-aliasing \ + -Wstrict-overflow \ + -Wsystem-headers \ + -Wfloat-equal \ + -Wtraditional \ + -Wtraditional-conversion \ + -Wdeclaration-after-statement \ + -Wundef \ + -Wshadow \ + -Wunsafe-loop-optimizations \ + -Wpointer-arith \ + -Wbad-function-cast \ + -Wc++-compat \ + -Wcast-qual \ + -Wcast-align \ + -Wwrite-strings \ + -Wconversion \ + -Wsign-conversion \ + -Wlogical-op \ + -Waggregate-return \ + -Wstrict-prototypes \ + -Wold-style-definition \ + -Wmissing-prototypes \ + -Wmissing-declarations \ + -Wmissing-noreturn \ + -Wmissing-format-attribute \ + -Wpacked \ + -Wpadded \ + -Wredundant-decls \ + -Wnested-externs \ + -Wunreachable-code \ + -Winline \ + -Winvalid-pch \ + -Wlong-long \ + -Wvla \ + -Wvolatile-register-var \ + -Wdisabled-optimization \ + -Wstack-protector \ + -Woverlength-strings \ + -Wbuiltin-macro-redefined \ + -Wmudflap \ + -Wpacked-bitfield-compat \ + -Wsync-nand \ + ; do gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item" done - # The following are not documented in the manual but are included in - # output from gcc --help=warnings. - for gl_manywarn_item in \ - -Wattributes \ - -Wcoverage-mismatch \ - -Wmultichar \ - -Wunused-macros \ - ; do + # The following are not documented in the manual but are included in + # output from gcc --help=warnings. + for gl_manywarn_item in \ + -Wattributes \ + -Wcoverage-mismatch \ + -Wmultichar \ + -Wunused-macros \ + ; do gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item" done + + # Disable the missing-field-initializers warning if needed + if test "$gl_cv_cc_nomfi_needed" = yes; then + gl_manywarn_set="$gl_manywarn_set -Wno-missing-field-initializers" + fi + $1=$gl_manywarn_set ]) diff --git a/gl/m4/memchr.m4 b/gl/m4/memchr.m4 index 3c2b313916..a544e2b4e7 100644 --- a/gl/m4/memchr.m4 +++ b/gl/m4/memchr.m4 @@ -1,4 +1,4 @@ -# memchr.m4 serial 10 +# memchr.m4 serial 11 dnl Copyright (C) 2002-2004, 2009-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -11,10 +11,16 @@ AC_DEFUN_ONCE([gl_FUNC_MEMCHR], AC_CHECK_HEADERS_ONCE([sys/mman.h]) AC_CHECK_FUNCS_ONCE([mprotect]) - dnl These days, we assume memchr is present. But just in case... AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) - AC_CHECK_FUNCS_ONCE([memchr]) - if test $ac_cv_func_memchr = yes; then + m4_ifdef([gl_FUNC_MEMCHR_OBSOLETE], [ + dnl These days, we assume memchr is present. But if support for old + dnl platforms is desired: + AC_CHECK_FUNCS_ONCE([memchr]) + if test $ac_cv_func_memchr = no; then + HAVE_MEMCHR=0 + fi + ]) + if test $HAVE_MEMCHR = 1; then # Detect platform-specific bugs in some versions of glibc: # memchr should not dereference anything with length 0 # http://bugzilla.redhat.com/499689 @@ -73,8 +79,6 @@ AC_DEFUN_ONCE([gl_FUNC_MEMCHR], if test "$gl_cv_func_memchr_works" != yes; then REPLACE_MEMCHR=1 fi - else - HAVE_MEMCHR=0 fi if test $HAVE_MEMCHR = 0 || test $REPLACE_MEMCHR = 1; then AC_LIBOBJ([memchr]) diff --git a/gl/m4/netdb_h.m4 b/gl/m4/netdb_h.m4 index 9a01cd6a76..a54d6701b7 100644 --- a/gl/m4/netdb_h.m4 +++ b/gl/m4/netdb_h.m4 @@ -1,4 +1,4 @@ -# netdb_h.m4 serial 10 +# netdb_h.m4 serial 11 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -26,6 +26,8 @@ AC_DEFUN([gl_NETDB_MODULE_INDICATOR], dnl Use AC_REQUIRE here, so that the default settings are expanded once only. AC_REQUIRE([gl_NETDB_H_DEFAULTS]) gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) ]) AC_DEFUN([gl_NETDB_H_DEFAULTS], @@ -37,4 +39,5 @@ AC_DEFUN([gl_NETDB_H_DEFAULTS], HAVE_DECL_GAI_STRERROR=1; AC_SUBST([HAVE_DECL_GAI_STRERROR]) HAVE_DECL_GETADDRINFO=1; AC_SUBST([HAVE_DECL_GETADDRINFO]) HAVE_DECL_GETNAMEINFO=1; AC_SUBST([HAVE_DECL_GETNAMEINFO]) + REPLACE_GAI_STRERROR=0; AC_SUBST([REPLACE_GAI_STRERROR]) ]) diff --git a/gl/m4/stdint.m4 b/gl/m4/stdint.m4 index dff37fe1bf..c75e95722a 100644 --- a/gl/m4/stdint.m4 +++ b/gl/m4/stdint.m4 @@ -1,4 +1,4 @@ -# stdint.m4 serial 40 +# stdint.m4 serial 41 dnl Copyright (C) 2001-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is preserved. dnl From Paul Eggert and Bruno Haible. dnl Test whether <stdint.h> is supported or must be substituted. -AC_DEFUN([gl_STDINT_H], +AC_DEFUN_ONCE([gl_STDINT_H], [ AC_PREREQ([2.59])dnl diff --git a/gl/m4/stdio_h.m4 b/gl/m4/stdio_h.m4 index 7f3ae56295..a8326f3c34 100644 --- a/gl/m4/stdio_h.m4 +++ b/gl/m4/stdio_h.m4 @@ -1,4 +1,4 @@ -# stdio_h.m4 serial 33 +# stdio_h.m4 serial 37 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -9,6 +9,30 @@ AC_DEFUN([gl_STDIO_H], AC_REQUIRE([gl_STDIO_H_DEFAULTS]) AC_REQUIRE([AC_C_INLINE]) gl_NEXT_HEADERS([stdio.h]) + + dnl No need to create extra modules for these functions. Everyone who uses + dnl <stdio.h> likely needs them. + GNULIB_FSCANF=1 + GNULIB_SCANF=1 + GNULIB_FGETC=1 + GNULIB_GETC=1 + GNULIB_GETCHAR=1 + GNULIB_FGETS=1 + GNULIB_GETS=1 + GNULIB_FREAD=1 + dnl This ifdef is necessary to avoid an error "missing file lib/stdio-read.c" + dnl "expected source file, required through AC_LIBSOURCES, not found". It is + dnl also an optimization, to avoid performing a configure check whose result + dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING + dnl or GNULIB_NONBLOCKING redundant. + m4_ifdef([gl_NONBLOCKING_IO], [ + gl_NONBLOCKING_IO + if test $gl_cv_have_nonblocking != yes; then + REPLACE_STDIO_READ_FUNCS=1 + AC_LIBOBJ([stdio-read]) + fi + ]) + dnl No need to create extra modules for these functions. Everyone who uses dnl <stdio.h> likely needs them. GNULIB_FPRINTF=1 @@ -21,9 +45,11 @@ AC_DEFUN([gl_STDIO_H], GNULIB_FPUTS=1 GNULIB_PUTS=1 GNULIB_FWRITE=1 - dnl This ifdef is just an optimization, to avoid performing a configure - dnl check whose result is not used. It does not make the test of - dnl GNULIB_STDIO_H_SIGPIPE or GNULIB_SIGPIPE redundant. + dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c" + dnl "expected source file, required through AC_LIBSOURCES, not found". It is + dnl also an optimization, to avoid performing a configure check whose result + dnl is not used. But it does not make the test of GNULIB_STDIO_H_SIGPIPE or + dnl GNULIB_SIGPIPE redundant. m4_ifdef([gl_SIGNAL_SIGPIPE], [ gl_SIGNAL_SIGPIPE if test $gl_cv_header_signal_h_SIGPIPE != yes; then @@ -31,6 +57,18 @@ AC_DEFUN([gl_STDIO_H], AC_LIBOBJ([stdio-write]) fi ]) + dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c" + dnl "expected source file, required through AC_LIBSOURCES, not found". It is + dnl also an optimization, to avoid performing a configure check whose result + dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING + dnl or GNULIB_NONBLOCKING redundant. + m4_ifdef([gl_NONBLOCKING_IO], [ + gl_NONBLOCKING_IO + if test $gl_cv_have_nonblocking != yes; then + REPLACE_STDIO_WRITE_FUNCS=1 + AC_LIBOBJ([stdio-write]) + fi + ]) dnl Check for declarations of anything we want to poison if the dnl corresponding gnulib module is not in use, and which is not @@ -54,20 +92,27 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF]) GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE]) GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH]) + GNULIB_FGETC=0; AC_SUBST([GNULIB_FGETC]) + GNULIB_FGETS=0; AC_SUBST([GNULIB_FGETS]) GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN]) GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF]) GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX]) GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE]) GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC]) GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS]) + GNULIB_FREAD=0; AC_SUBST([GNULIB_FREAD]) GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN]) + GNULIB_FSCANF=0; AC_SUBST([GNULIB_FSCANF]) GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK]) GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO]) GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL]) GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO]) GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE]) + GNULIB_GETC=0; AC_SUBST([GNULIB_GETC]) + GNULIB_GETCHAR=0; AC_SUBST([GNULIB_GETCHAR]) GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM]) GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE]) + GNULIB_GETS=0; AC_SUBST([GNULIB_GETS]) GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF]) GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX]) GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR]) @@ -80,11 +125,15 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], GNULIB_REMOVE=0; AC_SUBST([GNULIB_REMOVE]) GNULIB_RENAME=0; AC_SUBST([GNULIB_RENAME]) GNULIB_RENAMEAT=0; AC_SUBST([GNULIB_RENAMEAT]) + GNULIB_SCANF=0; AC_SUBST([GNULIB_SCANF]) GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF]) GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX]) + GNULIB_STDIO_H_NONBLOCKING=0; AC_SUBST([GNULIB_STDIO_H_NONBLOCKING]) GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE]) GNULIB_TMPFILE=0; AC_SUBST([GNULIB_TMPFILE]) GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF]) + GNULIB_VFSCANF=0; AC_SUBST([GNULIB_VFSCANF]) + GNULIB_VSCANF=0; AC_SUBST([GNULIB_VSCANF]) GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF]) GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF]) GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX]) @@ -129,6 +178,7 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS], REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT]) REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF]) REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF]) + REPLACE_STDIO_READ_FUNCS=0; AC_SUBST([REPLACE_STDIO_READ_FUNCS]) REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS]) REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE]) REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF]) diff --git a/gl/m4/strerror.m4 b/gl/m4/strerror.m4 new file mode 100644 index 0000000000..d891031f61 --- /dev/null +++ b/gl/m4/strerror.m4 @@ -0,0 +1,67 @@ +# strerror.m4 serial 10 +dnl Copyright (C) 2002, 2007-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRERROR], +[ + AC_REQUIRE([gl_FUNC_STRERROR_SEPARATE]) + if test $REPLACE_STRERROR = 1; then + AC_LIBOBJ([strerror]) + AC_DEFINE_UNQUOTED([REPLACE_STRERROR], [$REPLACE_STRERROR], + [Define this to 1 if strerror is broken.]) + fi +]) + +# Like gl_FUNC_STRERROR, except prepare for separate compilation (no AC_LIBOBJ). +AC_DEFUN([gl_FUNC_STRERROR_SEPARATE], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_REQUIRE([gl_HEADER_ERRNO_H]) + if test -z "$ERRNO_H"; then + AC_CACHE_CHECK([for working strerror function], + [gl_cv_func_working_strerror], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <string.h> + #include <errno.h> + ]], + [[int result = 0; + if (!*strerror (-2)) result |= 1; + errno = 0; + if (!*strerror (0)) result |= 2; + if (errno) result |= 4; + return result;]])], + [gl_cv_func_working_strerror=yes], + [gl_cv_func_working_strerror=no], + [dnl Be pessimistic on cross-compiles for now. + gl_cv_func_working_strerror=no]) + ]) + if test $gl_cv_func_working_strerror = no; then + dnl The system's strerror() fails to return a string for out-of-range + dnl integers. Replace it. + REPLACE_STRERROR=1 + fi + else + dnl The system's strerror() cannot know about the new errno values we add + dnl to <errno.h>. Replace it. + REPLACE_STRERROR=1 + fi + if test $REPLACE_STRERROR = 1; then + gl_PREREQ_STRERROR + fi +]) + +# Prerequisites of lib/strerror.c. +AC_DEFUN([gl_PREREQ_STRERROR], [ + AC_CHECK_DECLS([strerror]) + AC_CHECK_HEADERS_ONCE([sys/socket.h]) + if test $ac_cv_header_sys_socket_h != yes; then + dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make + dnl the check for those headers unconditional; yet cygwin reports + dnl that the headers are present but cannot be compiled (since on + dnl cygwin, all socket information should come from sys/socket.h). + AC_CHECK_HEADERS([winsock2.h]) + fi +]) diff --git a/gl/m4/strerror_r.m4 b/gl/m4/strerror_r.m4 new file mode 100644 index 0000000000..190472c959 --- /dev/null +++ b/gl/m4/strerror_r.m4 @@ -0,0 +1,108 @@ +# strerror_r.m4 serial 6 +dnl Copyright (C) 2002, 2007-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRERROR_R], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_REQUIRE([gl_HEADER_ERRNO_H]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Persuade Solaris <string.h> to declare strerror_r(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + dnl Some systems don't declare strerror_r() if _THREAD_SAFE and _REENTRANT + dnl are not defined. + AC_CHECK_DECLS_ONCE([strerror_r]) + if test $ac_cv_have_decl_strerror_r = no; then + HAVE_DECL_STRERROR_R=0 + fi + + AC_CHECK_FUNCS([strerror_r]) + if test $ac_cv_func_strerror_r = yes; then + if test -z "$ERRNO_H"; then + dnl The POSIX prototype is: int strerror_r (int, char *, size_t); + dnl glibc, Cygwin: char *strerror_r (int, char *, size_t); + dnl AIX 5.1, OSF/1 5.1: int strerror_r (int, char *, int); + AC_CACHE_CHECK([for strerror_r with POSIX signature], + [gl_cv_func_strerror_r_posix_signature], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <string.h> + int strerror_r (int, char *, size_t); + ]], + [[return strerror (0);]])], + [gl_cv_func_strerror_r_posix_signature=yes], + [gl_cv_func_strerror_r_posix_signature=no]) + ]) + if test $gl_cv_func_strerror_r_posix_signature = yes; then + dnl AIX 6.1 strerror_r fails by returning -1, not an error number. + dnl HP-UX 11.31 strerror_r always fails when the buffer length argument + dnl is less than 80. + dnl FreeBSD 8.s strerror_r claims failure on 0 + AC_CACHE_CHECK([whether strerror_r works], + [gl_cv_func_strerror_r_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <errno.h> + #include <string.h> + int strerror_r (int, char *, size_t); + ]], + [[int result = 0; + char buf[79]; + if (strerror_r (EACCES, buf, 0) < 0) + result |= 1; + errno = 0; + if (strerror_r (EACCES, buf, sizeof buf) != 0) + result |= 2; + if (strerror_r (0, buf, sizeof buf) != 0) + result |= 4; + if (errno) + result |= 8; + return result; + ]])], + [gl_cv_func_strerror_r_works=yes], + [gl_cv_func_strerror_r_works=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess no on AIX. + aix*) gl_cv_func_strerror_r_works="guessing no";; + # Guess no on HP-UX. + hpux*) gl_cv_func_strerror_r_works="guessing no";; + # Guess no on FreeBSD. + freebsd*) gl_cv_func_strerror_r_works="guessing no";; + # Guess yes otherwise. + *) gl_cv_func_strerror_r_works="guessing yes";; + esac +changequote([,])dnl + ]) + ]) + case "$gl_cv_func_strerror_r_works" in + *no) REPLACE_STRERROR_R=1 ;; + esac + else + dnl The system's strerror() has a wrong signature. Replace it. + REPLACE_STRERROR_R=1 + dnl glibc >= 2.3.4 and cygwin 1.7.9 have a function __xpg_strerror_r. + AC_CHECK_FUNCS([__xpg_strerror_r]) + fi + else + dnl The system's strerror_r() cannot know about the new errno values we + dnl add to <errno.h>. Replace it. + REPLACE_STRERROR_R=1 + fi + fi + if test $HAVE_DECL_STRERROR_R = 0 || test $REPLACE_STRERROR_R = 1; then + AC_LIBOBJ([strerror_r]) + gl_PREREQ_STRERROR_R + fi +]) + +# Prerequisites of lib/strerror_r.c. +AC_DEFUN([gl_PREREQ_STRERROR_R], [ + AC_CHECK_FUNCS_ONCE([catgets]) + : +]) diff --git a/gl/m4/string_h.m4 b/gl/m4/string_h.m4 index 30ddfbc3a4..df8c40353b 100644 --- a/gl/m4/string_h.m4 +++ b/gl/m4/string_h.m4 @@ -5,7 +5,7 @@ # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. -# serial 19 +# serial 20 # Written by Paul Eggert. @@ -104,6 +104,7 @@ AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS], REPLACE_STRDUP=0; AC_SUBST([REPLACE_STRDUP]) REPLACE_STRSTR=0; AC_SUBST([REPLACE_STRSTR]) REPLACE_STRCASESTR=0; AC_SUBST([REPLACE_STRCASESTR]) + REPLACE_STRCHRNUL=0; AC_SUBST([REPLACE_STRCHRNUL]) REPLACE_STRERROR=0; AC_SUBST([REPLACE_STRERROR]) REPLACE_STRERROR_R=0; AC_SUBST([REPLACE_STRERROR_R]) REPLACE_STRNCAT=0; AC_SUBST([REPLACE_STRNCAT]) diff --git a/gl/m4/sys_uio_h.m4 b/gl/m4/sys_uio_h.m4 new file mode 100644 index 0000000000..bafa0ac457 --- /dev/null +++ b/gl/m4/sys_uio_h.m4 @@ -0,0 +1,31 @@ +# sys_uio_h.m4 serial 1 +dnl Copyright (C) 2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_SYS_UIO], +[ + AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) + dnl <sys/uio.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/uio.h]) + if test $ac_cv_header_sys_uio_h = yes; then + HAVE_SYS_UIO_H=1 + else + HAVE_SYS_UIO_H=0 + fi + AC_SUBST([HAVE_SYS_UIO_H]) +]) + +AC_DEFUN([gl_SYS_UIO_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SYS_UIO_H_DEFAULTS], +[ +]) diff --git a/gl/m4/thread.m4 b/gl/m4/thread.m4 new file mode 100644 index 0000000000..49a4bc772f --- /dev/null +++ b/gl/m4/thread.m4 @@ -0,0 +1,18 @@ +# thread.m4 serial 2 +dnl Copyright (C) 2008-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_THREAD], +[ + AC_REQUIRE([gl_THREADLIB]) + AC_REQUIRE([AC_C_INLINE]) + + if test $gl_threads_api = posix; then + gl_save_LIBS="$LIBS" + LIBS="$LIBS $LIBMULTITHREAD" + AC_CHECK_FUNCS([pthread_atfork]) + LIBS="$gl_save_LIBS" + fi +]) diff --git a/gl/m4/unistd_h.m4 b/gl/m4/unistd_h.m4 index c81a1138e9..fb6fe07726 100644 --- a/gl/m4/unistd_h.m4 +++ b/gl/m4/unistd_h.m4 @@ -1,4 +1,4 @@ -# unistd_h.m4 serial 53 +# unistd_h.m4 serial 56 dnl Copyright (C) 2006-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -36,8 +36,8 @@ AC_DEFUN([gl_UNISTD_H], ]], [chown dup2 dup3 environ euidaccess faccessat fchdir fchownat fsync ftruncate getcwd getdomainname getdtablesize getgroups gethostname getlogin getlogin_r getpagesize getusershell setusershell - endusershell lchown link linkat lseek pipe pipe2 pread pwrite readlink - readlinkat rmdir sleep symlink symlinkat ttyname_r unlink unlinkat + endusershell group_member lchown link linkat lseek pipe pipe2 pread pwrite + readlink readlinkat rmdir sleep symlink symlinkat ttyname_r unlink unlinkat usleep]) ]) @@ -52,47 +52,50 @@ AC_DEFUN([gl_UNISTD_MODULE_INDICATOR], AC_DEFUN([gl_UNISTD_H_DEFAULTS], [ - GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN]) - GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE]) - GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2]) - GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3]) - GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON]) - GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS]) - GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT]) - GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR]) - GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT]) - GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC]) - GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE]) - GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD]) - GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME]) - GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE]) - GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS]) - GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME]) - GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN]) - GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R]) - GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE]) - GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL]) - GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN]) - GNULIB_LINK=0; AC_SUBST([GNULIB_LINK]) - GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT]) - GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK]) - GNULIB_PIPE=0; AC_SUBST([GNULIB_PIPE]) - GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2]) - GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD]) - GNULIB_PWRITE=0; AC_SUBST([GNULIB_PWRITE]) - GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK]) - GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT]) - GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR]) - GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP]) - GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK]) - GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT]) - GNULIB_TTYNAME_R=0; AC_SUBST([GNULIB_TTYNAME_R]) - GNULIB_UNISTD_H_GETOPT=0; AC_SUBST([GNULIB_UNISTD_H_GETOPT]) - GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE]) - GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK]) - GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT]) - GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP]) - GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE]) + GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN]) + GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE]) + GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2]) + GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3]) + GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON]) + GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS]) + GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT]) + GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR]) + GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT]) + GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC]) + GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE]) + GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD]) + GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME]) + GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE]) + GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS]) + GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME]) + GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN]) + GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R]) + GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE]) + GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL]) + GNULIB_GROUP_MEMBER=0; AC_SUBST([GNULIB_GROUP_MEMBER]) + GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN]) + GNULIB_LINK=0; AC_SUBST([GNULIB_LINK]) + GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT]) + GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK]) + GNULIB_PIPE=0; AC_SUBST([GNULIB_PIPE]) + GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2]) + GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD]) + GNULIB_PWRITE=0; AC_SUBST([GNULIB_PWRITE]) + GNULIB_READ=0; AC_SUBST([GNULIB_READ]) + GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK]) + GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT]) + GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR]) + GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP]) + GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK]) + GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT]) + GNULIB_TTYNAME_R=0; AC_SUBST([GNULIB_TTYNAME_R]) + GNULIB_UNISTD_H_GETOPT=0; AC_SUBST([GNULIB_UNISTD_H_GETOPT]) + GNULIB_UNISTD_H_NONBLOCKING=0; AC_SUBST([GNULIB_UNISTD_H_NONBLOCKING]) + GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE]) + GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK]) + GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT]) + GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP]) + GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE]) dnl Assume proper GNU behavior unless another module says otherwise. HAVE_CHOWN=1; AC_SUBST([HAVE_CHOWN]) HAVE_DUP2=1; AC_SUBST([HAVE_DUP2]) @@ -108,6 +111,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS], HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME]) HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN]) HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE]) + HAVE_GROUP_MEMBER=1; AC_SUBST([HAVE_GROUP_MEMBER]) HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN]) HAVE_LINK=1; AC_SUBST([HAVE_LINK]) HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT]) @@ -147,6 +151,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS], REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK]) REPLACE_PREAD=0; AC_SUBST([REPLACE_PREAD]) REPLACE_PWRITE=0; AC_SUBST([REPLACE_PWRITE]) + REPLACE_READ=0; AC_SUBST([REPLACE_READ]) REPLACE_READLINK=0; AC_SUBST([REPLACE_READLINK]) REPLACE_RMDIR=0; AC_SUBST([REPLACE_RMDIR]) REPLACE_SLEEP=0; AC_SUBST([REPLACE_SLEEP]) diff --git a/gl/m4/warnings.m4 b/gl/m4/warnings.m4 index a8f3466326..b2d1a29e2a 100644 --- a/gl/m4/warnings.m4 +++ b/gl/m4/warnings.m4 @@ -1,4 +1,4 @@ -# warnings.m4 serial 2 +# warnings.m4 serial 3 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -21,12 +21,12 @@ m4_ifdef([AS_VAR_APPEND], AC_DEFUN([gl_WARN_ADD], [AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_$1])dnl AC_CACHE_CHECK([whether compiler handles $1], [gl_Warn], [ - save_CPPFLAGS="$CPPFLAGS" + gl_save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="${CPPFLAGS} $1" AC_PREPROC_IFELSE([AC_LANG_PROGRAM([])], [AS_VAR_SET([gl_Warn], [yes])], [AS_VAR_SET([gl_Warn], [no])]) - CPPFLAGS="$save_CPPFLAGS" + CPPFLAGS="$gl_save_CPPFLAGS" ]) AS_VAR_PUSHDEF([gl_Flags], m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]))dnl AS_VAR_IF([gl_Warn], [yes], [gl_AS_VAR_APPEND([gl_Flags], [" $1"])]) diff --git a/gl/m4/wchar_h.m4 b/gl/m4/wchar_h.m4 index 6255ff352d..977491fe8d 100644 --- a/gl/m4/wchar_h.m4 +++ b/gl/m4/wchar_h.m4 @@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is preserved. dnl Written by Eric Blake. -# wchar_h.m4 serial 38 +# wchar_h.m4 serial 39 AC_DEFUN([gl_WCHAR_H], [ @@ -119,13 +119,6 @@ Configuration aborted.]) fi ]) -dnl Unconditionally enables the replacement of <wchar.h>. -AC_DEFUN([gl_REPLACE_WCHAR_H], -[ - dnl This is a no-op, because <wchar.h> is always overridden. - : -]) - AC_DEFUN([gl_WCHAR_MODULE_INDICATOR], [ dnl Use AC_REQUIRE here, so that the default settings are expanded once only. diff --git a/gl/m4/yield.m4 b/gl/m4/yield.m4 new file mode 100644 index 0000000000..15d5ac208c --- /dev/null +++ b/gl/m4/yield.m4 @@ -0,0 +1,19 @@ +# yield.m4 serial 2 +dnl Copyright (C) 2005-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_YIELD], +[ + AC_REQUIRE([gl_THREADLIB]) + dnl On some systems, sched_yield is in librt, rather than in libpthread. + YIELD_LIB= + if test $gl_threads_api = posix; then + dnl Solaris has sched_yield in librt, not in libpthread or libc. + AC_CHECK_LIB([rt], [sched_yield], [YIELD_LIB=-lrt], + [dnl Solaris 2.5.1, 2.6 has sched_yield in libposix4, not librt. + AC_CHECK_LIB([posix4], [sched_yield], [YIELD_LIB=-lposix4])]) + fi + AC_SUBST([YIELD_LIB]) +]) |