diff options
| -rw-r--r-- | GNUmakefile | 2 | ||||
| -rwxr-xr-x | configure | 10 |
2 files changed, 9 insertions, 3 deletions
diff --git a/GNUmakefile b/GNUmakefile index 015ca92..99a2f75 100644 --- a/GNUmakefile +++ b/GNUmakefile @@ -51,6 +51,8 @@ dependency/build/libmusl-extract: dependency/sources/$(LIBMUSL).tar.gz | depende touch $@ dependency/build/libmusl-configure: dependency/build/libmusl-extract + # tweak musl gcc wrapper/spec file to support static PIE linking + sed -i 's#%{pie:S}crt1.o#%{pie:%{static:rcrt1.o%s;:Scrt1.o%s};:crt1.o%s}#' $(dir $<)/$(LIBMUSL)/tools/musl-gcc.specs.sh cd $(dir $<)/$(LIBMUSL) && ./configure --prefix=$(DEPS_PREFIX) --syslibdir=$(DEPS_PREFIX)/lib touch $@ @@ -227,9 +227,13 @@ tryflag CFLAGS -fPIE tryflag CFLAGS_AUTO -fstack-protector-all tryldflag LDFLAGS -Wl,-z,now tryldflag LDFLAGS -Wl,-z,relro -# You can not link libraries with -pie (unless you add a main() function). -# So keep this a vis-only flag. -if test "$static" != "yes" ; then +# in theory it should be perfectly fine to produce a staticically linked PIE +# however in practice it is not yet properly supported by gcc: +# +# cc -fPIE -pie --static +# +# will always add a PT_INTERP referencing the dynamic loader/linker +if test "$static" != "yes" || tryldflag LDFLAGS_AUTO -Wl,--no-dynamic-linker ; then tryldflag LDFLAGS_AUTO -pie fi |