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author | Michael Sokolov <msokolov@ivan.Harhan.ORG> | 2000-07-23 16:05:03 +0000 |
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committer | Jeff Law <law@gcc.gnu.org> | 2000-07-23 10:05:03 -0600 |
commit | 3b58c09931cc776c30aef89f0bac7f6fdca34aca (patch) | |
tree | 36f10416500fbf8a5ffa0c7fe7957e1d761edf22 /libiberty/aclocal.m4 | |
parent | 8502a100662b57e68782022751fbde893bb50213 (diff) | |
download | gcc-3b58c09931cc776c30aef89f0bac7f6fdca34aca.tar.gz |
aclocal.m4 (libiberty_AC_DECLARE_ERRNO): New macro.
* aclocal.m4 (libiberty_AC_DECLARE_ERRNO): New macro.
* configure.in (libiberty_AC_DECLARE_ERRNO): Add check.
* configure, config.in: Regenerate.
* pexecute.c, strtol.c, strtoul.c: Declare errno if necessary.
From-SVN: r35199
Diffstat (limited to 'libiberty/aclocal.m4')
-rw-r--r-- | libiberty/aclocal.m4 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libiberty/aclocal.m4 b/libiberty/aclocal.m4 index b6a38d60522..b6c611e132d 100644 --- a/libiberty/aclocal.m4 +++ b/libiberty/aclocal.m4 @@ -69,3 +69,17 @@ if test $ac_cv_func_strncmp_works = no ; then LIBOBJS="$LIBOBJS strncmp.o" fi ]) + +dnl See if errno must be declared even when <errno.h> is included. +AC_DEFUN(libiberty_AC_DECLARE_ERRNO, +[AC_CACHE_CHECK(whether errno must be declared, libiberty_cv_declare_errno, +[AC_TRY_COMPILE( +[#include <errno.h>], +[int x = errno;], +libiberty_cv_declare_errno=no, +libiberty_cv_declare_errno=yes)]) +if test $libiberty_cv_declare_errno = yes +then AC_DEFINE(NEED_DECLARATION_ERRNO, 1, + [Define if errno must be declared even when <errno.h> is included.]) +fi +]) |