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makefiles: fix linking of PIE code

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PIE documentation:
:
https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html
http://lfs.osuosl.org/hlfs/view/unstable/glibc/chapter02/pie.html

suggest to suply -fPIE (or -fpie) with -pie
during executable compilation.

When -fPIC and -fPIE are used together - -fPIE wins

Drop usage of -DPIE - we are not using this flag anywhere

TODO: cleanup linking flags
This commit is contained in:
Zdenek Kabelac 2014-09-18 18:14:21 +02:00
parent d450c7fb10
commit b72e9d3a93
1 changed files with 2 additions and 2 deletions
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4
make.tmpl.in
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@ -158,8 +158,8 @@ endif
ifneq ("@STATIC_LINK@", "yes") ifneq ("@STATIC_LINK@", "yes")
ifeq ("@HAVE_PIE@", "yes") ifeq ("@HAVE_PIE@", "yes")
ifeq ("@HAVE_FULL_RELRO@", "yes") ifeq ("@HAVE_FULL_RELRO@", "yes")
EXTRA_EXEC_CFLAGS += -fPIE -DPIE EXTRA_EXEC_CFLAGS += -fPIE
EXTRA_EXEC_LDFLAGS += -Wl,-z,relro,-z,now -pie EXTRA_EXEC_LDFLAGS += -Wl,-z,relro,-z,now -pie -fPIE
CLDFLAGS += -Wl,-z,relro CLDFLAGS += -Wl,-z,relro
endif endif
endif endif