Improve libelf configure check

system libelf is not sufficient for glib (lacks elf_getshdrstrndx and
elf_getshdrnum) so let's make sure we don't define HAVE_LIBELF

diff --git a/configure.ac b/configure.ac
index 84a48bc..833891b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1820,10 +1820,10 @@ PKG_CHECK_MODULES([LIBELF], [libelf], [have_libelf=yes], [have_libelf=maybe])
 
 AS_IF([ test $have_libelf = maybe], [
   glib_save_LIBS=$LIBS
-  AC_CHECK_LIB([elf], [elf_begin], , [have_libelf=no])
-  AC_CHECK_LIB([elf], [elf_getshdrstrndx], , [have_libelf=no])
-  AC_CHECK_LIB([elf], [elf_getshdrnum], , [have_libelf=no])
-  AC_CHECK_HEADER([libelf.h], , [have_libelf=no])
+  AC_CHECK_LIB([elf], [elf_begin], [:], [have_libelf=no])
+  AC_CHECK_LIB([elf], [elf_getshdrstrndx], [:], [have_libelf=no])
+  AC_CHECK_LIB([elf], [elf_getshdrnum], [:], [have_libelf=no])
+  AC_CHECK_HEADER([libelf.h], [:], [have_libelf=no])
   LIBS=$glib_save_LIBS
 
   if test $have_libelf != no; then