build: AC_PACKAGE_WANT_GDBM, fall back to compat if libgdbm detection fails

We currently check if libgdbm_compat contains the required symbols
even if libgdbm does. Let's fall back only when necessary (which is
pretty much always anyway).

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

diff --git a/m4/package_gdbmdev.m4 b/m4/package_gdbmdev.m4
index 484b751a405eb7c959d6d9a871d032ef5f4c5d89..3e5f33d0564a43ae102ae341606981a13e9fde6a 100644 (file)
--- a/m4/package_gdbmdev.m4
+++ b/m4/package_gdbmdev.m4
@@ -30,16 +30,15 @@ AC_DEFUN([AC_PACKAGE_WANT_GDBM],
 
       if test $found = true; then
         libgdbm="${libgdbm} -lgdbm"
-      fi
-
-      found="no"
-      AC_CHECK_LIB(gdbm_compat,dbm_open,found=true,found=false,-lgdbm)
-      AC_CHECK_LIB(gdbm_compat,dbm_fetch,,found=false,-lgdbm)
-      AC_CHECK_LIB(gdbm_compat,dbm_store,,found=false,-lgdbm)
-      AC_CHECK_LIB(gdbm_compat,dbm_close,,found="no",-lgdbm)
-
-      if test $found = true ; then
-        libgdbm="${libgdbm} -lgdbm_compat -lgdbm"
+      else
+       AC_CHECK_LIB(gdbm_compat,dbm_open,found=true,found=false,-lgdbm)
+       AC_CHECK_LIB(gdbm_compat,dbm_fetch,,found=false,-lgdbm)
+       AC_CHECK_LIB(gdbm_compat,dbm_store,,found=false,-lgdbm)
+       AC_CHECK_LIB(gdbm_compat,dbm_close,,found="false",-lgdbm)
+
+       if test $found = true ; then
+         libgdbm="${libgdbm} -lgdbm_compat -lgdbm"
+       fi
       fi
     fi