From: notaz <notasas@gmail.com>
Date: Sat, 9 Jul 2016 23:09:08 +0000 (+0300)
Subject: libretro: try to prevent bad builds
X-Git-Tag: r23~174
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e230dbf6ca642eb6cc660e5d581fa4d16a85934b;p=pcsx_rearmed.git

libretro: try to prevent bad builds
---

diff --git a/Makefile.libretro b/Makefile.libretro
index d566e23a..cbebc5df 100644
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -182,6 +182,17 @@ MAIN_LDFLAGS += -shared
 MAIN_LDLIBS += -lm -lz
 EXTRA_LDFLAGS =
 
+# try to autodetect stuff for the lazy
+ifndef ARCH
+ARCH = $(shell $(CC) -dumpmachine | awk -F- '{print $$1}')
+endif
+ifndef HAVE_NEON
+HAVE_NEON = $(shell $(CC) -E -dD - < /dev/null 2> /dev/null | grep -q __ARM_NEON__ && echo 1 || echo 0)
+endif
+ifeq ($(shell ld -v 2> /dev/null | awk '{print $$1}'),GNU)
+MAIN_LDFLAGS += -Wl,--no-undefined
+endif
+
 TARGET ?= libretro.so
 PLATFORM = libretro
 BUILTIN_GPU ?= peops