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Get rid of text relocations in -fPIE build

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Fedora build system forces a PIE build with -fPIE indirectly via gcc spec
/usr/lib/rpm/redhat/redhat-hardened-cc1. This does not work for assembly
sources, so a PIC-aware assembly code won't be built as PIC (PIE implies
PIC). rdrand_asm.S is PIC-aware in 32bit mode, so force PIC for it, fixing
the following build warning:

/usr/bin/ld: rdrand_asm.o: warning: relocation in read-only section `.text'
/usr/bin/ld: warning: creating DT_TEXTREL in a PIE
This commit is contained in:
Vladis Dronov 2023-02-01 00:23:35 +01:00
parent 6aa90701c6
commit 805e2b6172
1 changed files with 6 additions and 0 deletions
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rng-tools.spec
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@ -63,6 +63,12 @@ TPM, jitter) and supplies entropy from them to a kernel entropy pool.
%endif
./autogen.sh
# a dirty hack to force PIC for a PIC-aware assembly code for i686
# /usr/lib/rpm/redhat/redhat-hardened-cc1 in Koji/Brew does not
# force PIC for assembly sources as of now
%ifarch i386 i686
sed -i -e '/^#define RDRAND_RETRY_LIMIT\t10/a#define __PIC__ 1' rdrand_asm.S
%endif
# a dirty hack so libdarn_impl_a_CFLAGS overrides common CFLAGS
sed -i -e 's/$(libdarn_impl_a_CFLAGS) $(CFLAGS)/$(CFLAGS) $(libdarn_impl_a_CFLAGS)/' Makefile.in
%configure %{?_without_pkcs11} %{?_without_rtlsdr}