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Remove -fPIC on x86_64

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The -fPIC breaks the purgatory of kexec (= the code that passes command-line
arguments to the kernel): kexec doesn't know how to handle the GOT and PLT
relocation entries.

There is also no reason at all to pass -fPIC.  Shared libraries that require
it will add it to their local Makefiles, and normal executables have no
business with -fPIC (plus it adds overhead...).

The -fPIC was added by Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
in commit 8027784c.  That commit adds sysroot parameters to CFLAGS.
There is no explanation why -fPIC is also added for x86_64.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Arnout Vandecappelle (Essensium/Mind) 2012-07-11 14:57:18 +02:00 committed by Thomas Petazzoni
parent b8b57bb683
commit 7ea1e92bdd
1 changed files with 0 additions and 6 deletions
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6
package/Makefile.in
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@ -87,12 +87,6 @@ endif
TARGET_CFLAGS=$(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING) TARGET_CFLAGS=$(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
ifneq ($(BR2_PREFER_STATIC_LIB),y)
ifeq ($(BR2_x86_64),y)
TARGET_CFLAGS+=-fPIC -DPIC
endif # PIC for dynamic objects on x86_64
endif
ifeq ($(findstring yy,$(BR2_mips)$(BR2_MIPS_ABI64)),yy) ifeq ($(findstring yy,$(BR2_mips)$(BR2_MIPS_ABI64)),yy)
TARGET_CFLAGS+=-fno-pic -mno-abicalls TARGET_CFLAGS+=-fno-pic -mno-abicalls
endif endif