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author | Jim Meyering <jim@meyering.net> | 1998-07-04 00:17:52 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1998-07-04 00:17:52 +0000 |
commit | 0142ca7d96ed46582227859297c8af19678c1310 (patch) | |
tree | 9617e47804c16420d6ad7f2e6c95a8705313fad7 /m4/regex.m4 | |
parent | bcfa9cbbd78cdccb7c9ca1fa54e0fe7e70fb40fc (diff) | |
download | coreutils-0142ca7d96ed46582227859297c8af19678c1310.tar.xz |
*** empty log message ***
Diffstat (limited to 'm4/regex.m4')
-rw-r--r-- | m4/regex.m4 | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/m4/regex.m4 b/m4/regex.m4 index 2a7bfe014..733ad3a4e 100644 --- a/m4/regex.m4 +++ b/m4/regex.m4 @@ -9,6 +9,23 @@ AC_DEFUN(jm_WITH_REGEX, USE_REGEX=$withval, USE_REGEX=yes) - test "$USE_REGEX" = "yes" && LIBOBJS="$LIBOBJS regex.o" + if test "$USE_REGEX" = yes; then + + LIBOBJS="$LIBOBJS regex.o" + + else + if test x = y; then + # This code is deliberately never run via ./configure. + # FIXME: this is a hack to make autoheader put the corresponding + # HAVE_* undef for this symbol in config.h.in. This saves me the + # trouble of having to maintain the #undef in acconfig.h manually. + AC_CHECK_FUNCS(LIBC_REGEX) + fi + # Defining it this way (rather than via AC_DEFINE) short-circuits the + # autoheader check -- autoheader doesn't know it's already been taken + # care of by the hack above. + ac_kludge=HAVE_LIBC_REGEX + AC_DEFINE_UNQUOTED($ac_kludge) + fi ] ) |