Fix build with --as-needed

https://bugs.gentoo.org/268094

--- a/configure.in
+++ b/configure.in
@@ -144,11 +145,6 @@
 elif test "$enable_assert" = no; then
     CFLAGS="$CFLAGS -DG_DISABLE_ASSERT"
     echo "Turning assertions off"
-    if test "$GCC" = "yes"; then
-        # Not currently using -fomit-frame-pointer as clashes with -pg
-        # CFLAGS="$CFLAGS -O3 -fomit-frame-pointer -finline-functions"
-        CFLAGS="$CFLAGS -O3 -finline-functions"
-    fi
 else
     echo "error: must be yes or no: --enable-assert:[$enable_assert]"
     exit 1
@@ -289,7 +285,7 @@
 if test "$enable_pthreads" = yes; then
     echo "Using PTHREADS"
     CFLAGS="$CFLAGS -DUSE_PTHREADS"
-    LDFLAGS="$LDFLAGS -lpthread"
+    LIBS="$LIBS -lpthread"
 elif test "$enable_pthreads" = no; then
     echo "Not using pthreads"
 else
--- a/src/model/bootstrapper.c
+++ b/src/model/bootstrapper.c
@@ -146,8 +146,12 @@
 
 static void Bootstrapper_index_archive(Bootstrapper *bs){
     register gchar *command;
+    register gchar *ranlib = "ranlib";
+    register gchar *tmp = (gchar*)g_getenv("RANLIB");
+    if(tmp)
+        ranlib = tmp;
     register gint ret_val;
-    command = g_strdup_printf("ranlib %s", bs->archive_path);
+    command = g_strdup_printf("%s %s", ranlib, bs->archive_path);
     g_message("Indexing archive [%s]", bs->archive_path);
     g_print("%s\n", command);
     ret_val = system(command);