--- Makefile.old	2013-04-07 15:54:16.000000000 -0500
+++ Makefile.new	2013-04-07 15:54:23.000000000 -0500
@@ -443,7 +443,7 @@
 pkgincludedir = $(includedir)/$(PNGLIB_BASENAME)
 ACLOCAL = ${SHELL} /Library/Gentoo/var/tmp/portage/media-libs/libpng-1.6.1/work/libpng-1.6.1/missing aclocal-1.13
 AMTAR = $${TAR-tar}
-AM_CCASFLAGS = -Wa,--noexecstack
+AM_CCASFLAGS =
 AM_DEFAULT_VERBOSITY = 1
 AR = x86_64-apple-darwin12-ar
 AS = as