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package/aespipe: fix host compile

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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. 57b628a932]
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

(cherry picked from commit 00ecd72c28)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Bernd Kuhls 2017-07-03 10:41:07 +02:00 committed by Peter Korsgaard
parent 77604f7336
commit 2573e725ea
1 changed files with 10 additions and 0 deletions
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10
package/aespipe/aespipe.mk
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@ -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))