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samba-mirror/source/lib/replace/dlfcn.m4
Stefan Metzmacher 4aa31c8862 r20383: only try to find dlfcn.h if the dlopen symbol was found,
it hopefully fixes systems where dlfcn.h but no library with dlopen

metze
2007-10-10 14:30:21 -05:00

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dnl dummies provided by dlfcn.c if not available
save_LIBS="$LIBS"
LIBS=""
AC_SEARCH_LIBS(dlopen, dl)
if test "$ac_cv_search_dlopen" != no; then
AC_CHECK_HEADERS(dlfcn.h)
libreplace_cv_dlfcn=no
AC_CHECK_FUNCS([dlopen dlsym dlerror dlclose],[],[libreplace_cv_dlfcn=yes])
if test x"${libreplace_cv_dlfcn}" = x"yes";then
LIBREPLACEOBJ="${LIBREPLACEOBJ} dlfcn.o"
fi
fi
LIBDL="$LIBS"
AC_SUBST(LIBDL)
LIBS="$save_LIBS"