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Diffstat (limited to 'source4/lib/replace/libreplace.m4')
| -rw-r--r-- | source4/lib/replace/libreplace.m4 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/source4/lib/replace/libreplace.m4 b/source4/lib/replace/libreplace.m4 index c396f11dfd..ce36ee39b4 100644 --- a/source4/lib/replace/libreplace.m4 +++ b/source4/lib/replace/libreplace.m4 @@ -1,3 +1,16 @@ +dnl see if a declaration exists for a function or variable +dnl defines HAVE_function_DECL if it exists +dnl AC_HAVE_DECL(var, includes) +AC_DEFUN(AC_HAVE_DECL, +[ + AC_CACHE_CHECK([for $1 declaration],ac_cv_have_$1_decl,[ + AC_TRY_COMPILE([$2],[int i = (int)$1], + ac_cv_have_$1_decl=yes,ac_cv_have_$1_decl=no)]) + if test x"$ac_cv_have_$1_decl" = x"yes"; then + AC_DEFINE([HAVE_]translit([$1], [a-z], [A-Z])[_DECL],1,[Whether $1() is available]) + fi +]) + dnl find the libreplace sources. This is meant to work both for dnl libreplace standalone builds, and builds of packages using libreplace libreplacedir="" |