libsigsegv: unbreak arm*-musl

srcpkgs/libsigsegv/template

@@ -2,16 +2,27 @@
 
 pkgname="libsigsegv"
 version="2.10"
-revision=3
+revision=4
 build_style=gnu-configure
 short_desc="Handling page faults in user mode"
 maintainer="Martin Riese <grauehaare@gmx.de>"
-license="GPL"
+license="GPL-2"
 homepage="http://www.gnu.org/software/libsigsegv/"
 distfiles="http://ftpmirror.gnu.org/libsigsegv/libsigsegv-${version}.tar.gz"
 checksum="8460a4a3dd4954c3d96d7a4f5dd5bc4d9b76f5754196aa245287553b26d2199a"
 configure_args="--enable-shared"
 
+post_configure() {
+	case "$XBPS_TARGET_MACHINE" in
+	arm*-musl)
+		# Avoid double include of signal.h
+		sed -e "s;#define HAVE_SYS_SIGNAL_H 1;#undef HAVE_SYS_SIGNAL_H;" \
+			-i ${wrksrc}/config.h
+		# struct sigcontext already defined through sigsegv.h
+		sed -e "s;#include <asm/sigcontext.h>;;" \
+			-i ${wrksrc}/src/fault-linux-arm-old.h
+	esac
+}
 libsigsegv-devel_package() {
 	short_desc+=" - development files"
 	depends="${sourcepkg}>=${version}_${revision}"