Imported from libpng-1.4.0beta4.tar
diff --git a/Makefile.am b/Makefile.am
index 165cd0b..62f498b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -87,6 +87,16 @@
CLEANFILES= pngout.png libpng14.pc libpng14-config libpng.vers libpng.sym
+pngconf.h.in:
+ cat pngconf.h > pngconf.h.in
+
+pngconf.h: pngconf.h.in
+ sed "/Makefile-supplied defines go here:/q" pngconf.h.in > pngconf.h
+ @if test -n "@LIBPNG_NO_MMX@"; then \
+ echo "#define PNG_NO_MMX_CODE" >> pngconf.h \
+ fi
+ sed "1,/Makefile-supplied defines go here:/d" pngconf.h.in >> pngconf.h
+
$(PNGLIB_BASENAME).pc: libpng.pc
cp libpng.pc $@
@@ -96,9 +106,10 @@
libpng.sym: png.h pngconf.h
rm -f $@ $@.new
$(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \
- $(SED) -n -e 's|^.*PNG_FUNCTION_EXPORT[ ]*\([a-zA-Z0-9_]*\).*$$|\1|p' \
- -e 's|^.*PNG_DATA_EXPORT[ ]*\([a-zA-Z0-9_]*\).*$$|\1|p' \
- >$@.new
+ $(SED) -n -e \
+ 's|^.*PNG_FUNCTION_EXPORT[ ]*\([a-zA-Z0-9_]*\).*$$|\1|p' \
+ -e 's|^.*PNG_DATA_EXPORT[ ]*\([a-zA-Z0-9_]*\).*$$|\1|p' \
+ >$@.new
mv $@.new $@
libpng.vers: libpng.sym
