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| author | Jim Meyering <jim@meyering.net> | 1999-01-10 14:57:00 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 1999-01-10 14:57:00 +0000 |
| commit | ea9ec4ab46c234365a0ce81ba090771b41973d7d (patch) | |
| tree | 89a3c871ca9c32bdddeb0e854664cb4049e86752 | |
| parent | 37f6675617dbb68c48517466d151bd100ae8bcdb (diff) | |
| download | coreutils-ea9ec4ab46c234365a0ce81ba090771b41973d7d.tar.xz | |
By default, don't use the included regex.c on systems
with glibc 2. Suggestion from Uli Drepper.
| -rw-r--r-- | m4/regex.m4 | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/m4/regex.m4 b/m4/regex.m4 index e5468c655..2a638d6af 100644 --- a/m4/regex.m4 +++ b/m4/regex.m4 @@ -1,19 +1,26 @@ -#serial 2 +#serial 3 dnl Derived from code in GNU grep. AC_DEFUN(jm_WITH_REGEX, [ + AC_REQUIRE([AM_GLIBC]) + dnl Even packages that don't use regex.c can use this macro. dnl Of course, for them it doesn't do anything. syscmd([test -f lib/regex.c]) ifelse(sysval, 0, [ + # By default, don't use the included regex.c on systems with glibc 2 + test "$ac_cv_glibc" = yes && default=no || default=yes + AC_ARG_WITH(included-regex, - [ --without-included-regex don't compile regex (use with caution)], + [ --without-included-regex don't compile regex; this is the default on + systems with version 2 of the GNU C library + (use with caution on other system)], jm_with_regex=$withval, - jm_with_regex=yes) + jm_with_regex=$default) if test "$jm_with_regex" = yes; then LIBOBJS="$LIBOBJS regex.o" fi |