gnulib: import ffs

The Blackfin sim uses this function, but Windows/mingw doesn't provide it.

1 files changed, 174 insertions, 0 deletions

diff --git a/gnulib/configure b/gnulib/configure
index ad2315d94d3..2ddb1d7cbb0 100644
--- a/gnulib/configure
+++ b/gnulib/configure
@@ -742,6 +742,9 @@ NEXT_SYS_TYPES_H
 HAVE_SYS_RANDOM_H
 NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H
 NEXT_SYS_RANDOM_H
+HAVE_STRINGS_H
+NEXT_AS_FIRST_DIRECTIVE_STRINGS_H
+NEXT_STRINGS_H
 NEXT_AS_FIRST_DIRECTIVE_STRING_H
 NEXT_STRING_H
 NEXT_AS_FIRST_DIRECTIVE_STDLIB_H
@@ -1455,6 +1458,10 @@ GL_GENERATE_FLOAT_H_TRUE
 FLOAT_H
 NEXT_AS_FIRST_DIRECTIVE_FLOAT_H
 NEXT_FLOAT_H
+HAVE_DECL_STRNCASECMP
+HAVE_STRCASECMP
+HAVE_FFS
+GNULIB_FFS
 NEXT_AS_FIRST_DIRECTIVE_FCNTL_H
 NEXT_FCNTL_H
 REPLACE_OPENAT
@@ -3768,6 +3775,7 @@ as_fn_append ac_func_list " strerror_r"
 as_fn_append ac_func_list " __xpg_strerror_r"
 as_fn_append ac_func_list " catgets"
 as_fn_append ac_func_list " snprintf"
+as_fn_append ac_header_list " strings.h"
 as_fn_append ac_header_list " sys/random.h"
 as_fn_append ac_header_list " sys/uio.h"
 as_fn_append ac_func_list " localtime_r"
@@ -6704,6 +6712,7 @@ fi
   # Code from module fd-hook:
   # Code from module fd-safer-flag:
   # Code from module fdopendir:
+  # Code from module ffs:
   # Code from module filename:
   # Code from module filenamecat-lgpl:
   # Code from module flexmember:
@@ -6814,6 +6823,7 @@ fi
   # Code from module strerror-override:
   # Code from module strerror_r-posix:
   # Code from module string:
+  # Code from module strings:
   # Code from module strnlen:
   # Code from module strnlen1:
   # Code from module strstr:
@@ -9128,6 +9138,12 @@ fi
 
 
 
+  GNULIB_FFS=0;
+    HAVE_FFS=1;
+  HAVE_STRCASECMP=1;
+  HAVE_DECL_STRNCASECMP=1;
+
+
 
 
   GNULIB_FNMATCH=0;
@@ -16700,6 +16716,100 @@ $as_echo "$gl_cv_next_string_h" >&6; }
 
 
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_strings_h='<'strings.h'>'
+     else
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking absolute name of <strings.h>" >&5
+$as_echo_n "checking absolute name of <strings.h>... " >&6; }
+if ${gl_cv_next_strings_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+             if test $ac_cv_header_strings_h = yes; then
+
+
+
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <strings.h>
+_ACEOF
+                case "$host_os" in
+    aix*) gl_absname_cpp="$ac_cpp -C" ;;
+    *)    gl_absname_cpp="$ac_cpp" ;;
+  esac
+
+  case "$host_os" in
+    mingw*)
+                                          gl_dirsep_regex='[/\\]'
+      ;;
+    *)
+      gl_dirsep_regex='\/'
+      ;;
+  esac
+      gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+  gl_header_literal_regex=`echo 'strings.h' \
+                           | sed -e "$gl_make_literal_regex_sed"`
+  gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+      s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+      s|^/[^/]|//&|
+      p
+      q
+    }'
+
+        gl_cv_absolute_strings_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+  sed -n "$gl_absolute_header_sed"`
+
+           gl_header=$gl_cv_absolute_strings_h
+           gl_cv_next_strings_h='"'$gl_header'"'
+          else
+               gl_cv_next_strings_h='<'strings.h'>'
+             fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_strings_h" >&5
+$as_echo "$gl_cv_next_strings_h" >&6; }
+     fi
+     NEXT_STRINGS_H=$gl_cv_next_strings_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'strings.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_strings_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_STRINGS_H=$gl_next_as_first_directive
+
+
+
+
+  if test $ac_cv_header_strings_h = yes; then
+    HAVE_STRINGS_H=1
+  else
+    HAVE_STRINGS_H=0
+  fi
+
+
+
+
+
+
 ac_fn_c_check_decl "$LINENO" "strnlen" "ac_cv_have_decl_strnlen" "$ac_includes_default"
 if test "x$ac_cv_have_decl_strnlen" = xyes; then :
   ac_have_decl=1
@@ -19360,6 +19470,67 @@ _ACEOF
 
 
 
+            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ffs" >&5
+$as_echo_n "checking for ffs... " >&6; }
+if ${gl_cv_func_ffs+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <strings.h>
+            int x;
+
+int
+main ()
+{
+int (*func) (int) = ffs;
+            return func (x);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  gl_cv_func_ffs=yes
+else
+  gl_cv_func_ffs=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_ffs" >&5
+$as_echo "$gl_cv_func_ffs" >&6; }
+  if test $gl_cv_func_ffs = no; then
+    HAVE_FFS=0
+  fi
+
+  if test $HAVE_FFS = 0; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS ffs.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_FFS=1
+
+
+
+
+
+
+
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for flexible array member" >&5
 $as_echo_n "checking for flexible array member... " >&6; }
@@ -28740,6 +28911,9 @@ _ACEOF
 
 
 
+
+
+
   if test $ac_cv_have_decl_strnlen = no; then
     HAVE_DECL_STRNLEN=0
   else