[V4] distutils-base.bbclass: Do not use -pie with hardening

Message ID 20170606233608.28682-1-raj.khem@gmail.com
State Accepted
Commit 6a4e3b696d32809279f1550cc1d67bc6b9979a03
Headers show

Commit Message

Khem Raj June 6, 2017, 11:36 p.m.
Fix build when PIE is turned on. It tries to build
.so file using -pie and -shared flags together because
its doing compile and link in same step CFLAGS and LDFLAGS
are combined and does not work, ending in errors e.g.

| /mnt/a/oe/build/tmp/work/cortexa7t2hf-neon-vfpv4-bec-linux-musleabi/python-pygpgme/0.3-r0/recipe-sysroot/usr/l
ib/Scrt1.o: In function `_start_c':
| /usr/src/debug/musl/1.1.16+gitAUTOINC+179766aa2e-r0/git/crt/crt1.c:17: undefined reference to `main'
| collect2: error: ld returned 1 exit status

This error while cryptic is due to the fact that we are
building a shared library but also pass -pie flag to the link
step after specify LDHSARED ( which is -shared linker flags )

we can not use -pie when doing shared libs. This is true for all the python
modules inheriting setup tools

Disable the pie flags thusly for all modules using setuptools since
this setting is done in setuptools makefiles which are then used
during module compiles

Signed-off-by: Khem Raj <raj.khem@gmail.com>

---
v1 -> v2
- Move change to distutils-base
V2 -> v3
- Fix a missing end quote
v3 -> v4
- Move the chage to distutils-common-base to cover python3 as well

 meta/classes/distutils-common-base.bbclass | 2 ++
 1 file changed, 2 insertions(+)

-- 
2.13.0

-- 
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Patch

diff --git a/meta/classes/distutils-common-base.bbclass b/meta/classes/distutils-common-base.bbclass
index 824a1b68b1..fa733c672c 100644
--- a/meta/classes/distutils-common-base.bbclass
+++ b/meta/classes/distutils-common-base.bbclass
@@ -11,3 +11,5 @@  FILES_${PN}-dev += "\
   ${libdir}/pkgconfig \
   ${PYTHON_SITEPACKAGES_DIR}/*.la \
 "
+
+SECURITY_CFLAGS = "${SECURITY_NO_PIE_CFLAGS}"