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| author | Gilles Espinasse | 2011-03-29 16:30:11 +0200 |
|---|---|---|
| committer | Michael Brown | 2011-03-29 16:33:28 +0200 |
| commit | fe61f6de0dd5d39ac3de5e8e18742f9bd0aafad7 (patch) | |
| tree | 0ba1d8068196f41a32be10893cd589e71c21467f /src/Makefile.housekeeping | |
| parent | [settings] Display "delete" option only for locally-originated settings (diff) | |
| download | ipxe-fe61f6de0dd5d39ac3de5e8e18742f9bd0aafad7.tar.gz ipxe-fe61f6de0dd5d39ac3de5e8e18742f9bd0aafad7.tar.xz ipxe-fe61f6de0dd5d39ac3de5e8e18742f9bd0aafad7.zip | |
[build] Fix compilation when gcc is patched to default to -fPIE -Wl,-pie
Signed-off-by: Gilles Espinasse <g.esp@free.fr>
Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/Makefile.housekeeping')
| -rw-r--r-- | src/Makefile.housekeeping | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/Makefile.housekeeping b/src/Makefile.housekeeping index 57e52c0f..c184351d 100644 --- a/src/Makefile.housekeeping +++ b/src/Makefile.housekeeping @@ -138,6 +138,17 @@ SP_FLAGS := $(shell $(SP_TEST) && $(ECHO) '-fno-stack-protector') WORKAROUND_CFLAGS += $(SP_FLAGS) endif +# Some widespread patched versions of gcc include -fPIE -Wl,-pie by +# default. Note that gcc will exit *successfully* if it fails to +# recognise an option that starts with "no", so we have to test for +# output on stderr instead of checking the exit status. +# +ifeq ($(CCTYPE),gcc) +PIE_TEST = [ -z "`$(CC) -fno-PIE -nopie -x c -c /dev/null -o /dev/null 2>&1`" ] +PIE_FLAGS := $(shell $(PIE_TEST) && $(ECHO) '-fno-PIE -nopie') +WORKAROUND_CFLAGS += $(PIE_FLAGS) +endif + # gcc 4.4 generates .eh_frame sections by default, which distort the # output of "size". Inhibit this. # |