Mercurial > hg > octave-lojdl > gnulib-hg
changeset 1458:59342bf23d15
Use hack to avoid having to put #undef HAVE_ST_MTIM in acconfig.h manually.
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Sun, 02 Aug 1998 16:20:39 +0000 |
parents | 952245f3c3af |
children | 02a47ba2736e |
files | m4/st_mtim.m4 |
diffstat | 1 files changed, 19 insertions(+), 4 deletions(-) [+] |
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--- 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_CACHE_CHECK([for st_mtim in struct stat], ac_cv_struct_st_mtim, [AC_TRY_COMPILE([#include <sys/types.h> #include <sys/stat.h>], [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 + ] +)