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| author | bdrewery <bdrewery@FreeBSD.org> | 2014-06-08 17:29:31 +0000 |
|---|---|---|
| committer | bdrewery <bdrewery@FreeBSD.org> | 2014-06-08 17:29:31 +0000 |
| commit | 989e2c600051059839eb88abfc343a905caf37eb (patch) | |
| tree | 770fe42f243492477db77896e2564375cd017ad4 /lib/csu | |
| parent | 14c8389ad08e251819c8c35fcaa75e0519595437 (diff) | |
| download | FreeBSD-src-989e2c600051059839eb88abfc343a905caf37eb.zip FreeBSD-src-989e2c600051059839eb88abfc343a905caf37eb.tar.gz | |
In preparation for ASLR [1] support add WITH_PIE to support building with -fPIE.
This is currently an opt-in build flag. Once ASLR support is ready and stable
it should changed to opt-out and be enabled by default along with ASLR.
Each application Makefile uses opt-out to ensure that ASLR will be enabled by
default in new directories when the system is compiled with PIE/ASLR. [2]
Mark known build failures as NO_PIE for now.
The only known runtime failure was rtld.
[1] http://www.bsdcan.org/2014/schedule/events/452.en.html
Submitted by: Shawn Webb <lattera@gmail.com>
Discussed between: des@ and Shawn Webb [2]
Diffstat (limited to 'lib/csu')
| -rw-r--r-- | lib/csu/amd64/Makefile | 2 | ||||
| -rw-r--r-- | lib/csu/i386-elf/Makefile | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/lib/csu/amd64/Makefile b/lib/csu/amd64/Makefile index 80d14a7..bcb7f50 100644 --- a/lib/csu/amd64/Makefile +++ b/lib/csu/amd64/Makefile @@ -9,6 +9,8 @@ CFLAGS+= -I${.CURDIR}/../common \ -I${.CURDIR}/../../libc/include CFLAGS+= -fno-omit-frame-pointer +NO_PIE= yes + all: ${OBJS} CLEANFILES= ${OBJS} diff --git a/lib/csu/i386-elf/Makefile b/lib/csu/i386-elf/Makefile index 286c15c..de19e93d 100644 --- a/lib/csu/i386-elf/Makefile +++ b/lib/csu/i386-elf/Makefile @@ -13,6 +13,8 @@ CFLAGS+= -I${.CURDIR}/../common \ CLEANFILES= ${FILES} crt1_c.o crt1_s.o gcrt1_c.o Scrt1_c.o CLEANFILES+= crt1_c.s gcrt1_c.s Scrt1_c.s +NO_PIE= yes + # See the comment in lib/csu/common/crtbrand.c for the reason crt1_c.c is not # directly compiled to .o files. |
