[Buildroot] [PATCH 2/2] package/aespipe: fix host compile
Arnout Vandecappelle (Essensium/Mind)
arnout at mind.be
Mon Jul 3 08:41:07 UTC 2017
From: Bernd Kuhls <bernd.kuhls at t-online.de>
Building host-aespipe fails on Debian stretch at linking stage:
/usr/bin/gcc -L/home/buildroot/br6/output/host/lib -L/home/buildroot/br6/output/host/usr/lib -Wl,-rpath,/home/buildroot/br6/output/host/usr/lib -o aespipe aespipe.o aes-amd64.o md5-amd64.o md5-2x-amd64.o aes-intel64.o sha512.o rmd160.o
/usr/bin/ld: aes-amd64.o: relocation R_X86_64_32S against `.rodata' can not be used when making a shared object; recompile with -fPIC
The same problem apparently exists on recent Ubuntu and Gentoo.
Fix is also used in Debian:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=837393
[Peter: add comment explaining why]
[Arnout: use host-cc-option to discover if -no-pie is available;
cfr. 57b628a932b9b4a3c4bf80f4c82a81da5adcb173]
Signed-off-by: Bernd Kuhls <bernd.kuhls at t-online.de>
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
---
package/aespipe/aespipe.mk | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/package/aespipe/aespipe.mk b/package/aespipe/aespipe.mk
index 6a38556ef1..5ef95d5206 100644
--- a/package/aespipe/aespipe.mk
+++ b/package/aespipe/aespipe.mk
@@ -9,5 +9,15 @@ AESPIPE_SOURCE = aespipe-v$(AESPIPE_VERSION).tar.bz2
AESPIPE_SITE = http://loop-aes.sourceforge.net/aespipe
AESPIPE_LICENSE = GPL
+# Recent Debian, Gentoo and Ubuntu enable -fPIE by default, breaking the build:
+# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=837393
+# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=835148
+# Older gcc versions however don't support the -no-pie flag, so we have to
+# check its availability.
+HOST_AESPIPE_NO_PIE_FLAG = $(call host-cc-option,-no-pie)
+HOST_AESPIPE_CONF_ENV = \
+ CFLAGS="$(HOST_CFLAGS) $(HOST_AESPIPE_NO_PIE_FLAG)" \
+ LDFLAGS="$(HOST_LDFLAGS) $(HOST_AESPIPE_NO_PIE_FLAG)"
+
$(eval $(autotools-package))
$(eval $(host-autotools-package))
--
2.13.2
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