From 9326feaa7779ea38fbce4af482aa6bcca3166116 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Sun, 2 Aug 1998 16:20:39 +0000 Subject: [PATCH] Use hack to avoid having to put #undef HAVE_ST_MTIM in acconfig.h manually. --- m4/st_mtim.m4 | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/m4/st_mtim.m4 b/m4/st_mtim.m4 index 2de9649cc5..6a4c5b4b43 100644 --- a/m4/st_mtim.m4 +++ b/m4/st_mtim.m4 @@ -1,4 +1,4 @@ -#serial 1 +#serial 2 dnl From Paul Eggert. @@ -8,7 +8,22 @@ AC_DEFUN(AC_STRUCT_ST_MTIM, [AC_CACHE_CHECK([for st_mtim in struct stat], ac_cv_struct_st_mtim, [AC_TRY_COMPILE([#include #include ], [struct stat s; s.st_mtim;], - ac_cv_struct_st_mtim=yes, ac_cv_struct_st_mtim=no)]) + ac_cv_struct_st_mtim=yes, + ac_cv_struct_st_mtim=no)]) + if test $ac_cv_struct_st_mtim = yes; then - AC_DEFINE(HAVE_ST_MTIM) - fi]) + if test x = y; then + # This code is deliberately never run via ./configure. + # FIXME: this is a hack to make autoheader put the corresponding + # HAVE_* undef for this symbol in config.h.in. This saves me the + # trouble of having to add the #undef in acconfig.h manually. + AC_CHECK_FUNCS(ST_MTIM) + fi + # Defining it this way (rather than via AC_DEFINE) short-circuits the + # autoheader check -- autoheader doesn't know it's already been taken + # care of by the hack above. + ac_kludge=HAVE_ST_MTIM + AC_DEFINE_UNQUOTED($ac_kludge) + fi + ] +) -- 2.30.2