fix-gnulib: Drop silly libgnu warning options.

[dxcommon.git] / scripts / fix-gnulib.pl

diff --git a/scripts/fix-gnulib.pl b/scripts/fix-gnulib.pl
index 9f868f2ef0121293fd7f0142d540fce5a875b775..69a7d864f29e939385a3f712d6fa1515318468e1 100755 (executable)
--- a/scripts/fix-gnulib.pl
+++ b/scripts/fix-gnulib.pl
@@ -186,6 +186,16 @@ EOF
        # useful for non-recursive builds.  Strip them out.
        drop if (/^(AM_CPPFLAGS|AM_CFLAGS)/);
 
+       # We don't care about upstream warning flags that just result in adding
+       # massive amounts of additional build rules for no reason.
+       if (/_CFLAGS/) {
+               s/ *\$\(GL_CFLAG_GNULIB_WARNINGS\)// if /_CFLAGS\s*=/;
+       }
+
+       # Drop superfluous CFLAGS assignments (which may be created by above
+       # transformation).
+       drop if /_CFLAGS\s*=\s*\$\(AM_CFLAGS\)\s*$/;
+
        # Library dependencies are added automatically to libgnu.la by
        # gnulib-tool.  Unfortunately, this means that everything linking
        # against libgnu.la is forced to pull in the same deps, even if they're
@@ -246,9 +256,10 @@ EOF
        # component.
        s/t-\$@/\$\@-t/g;
 
-       # Finally, references to $(srcdir) and $(builddir) need to be fixed up.
+       # Finally, $(srcdir), $(builddir) and %reldir% need to be fixed up.
        s:\$\(srcdir\):\$\(top_srcdir\)/lib:g;
        s:\$\(builddir\):\$\(top_builddir\)/lib:g;
+       s:%reldir%:lib:g;
 } continue { s/(\n.)/\\\1/g; print; };
 
 print <<'EOF' if ($use_libtool);