Mercurial > gnulib
changeset 21314:5ca2894200f5
By default, don't use the included regex.c on systems
with glibc 2. Suggestion from Uli Drepper.
| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Sun, 10 Jan 1999 14:57:00 +0000 |
| parents | 60ce0d43aac4 |
| children | a48e7e8fa50c |
| files | m4/regex.m4 |
| diffstat | 1 files changed, 10 insertions(+), 3 deletions(-) [+] |
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--- a/m4/regex.m4 Thu Jan 07 03:43:01 1999 +0000 +++ b/m4/regex.m4 Sun Jan 10 14:57:00 1999 +0000 @@ -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