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https://github.com/rhboot/efivar/pull/164
https://bugs.gentoo.org/749963
From: Sergei Trofimovich <slyfox@gentoo.org>
Date: Mon, 19 Oct 2020 19:05:01 +0100
Subject: [PATCH] gcc.specs: drop --fatal-warnings from linker options (ia64
compatibility)
```
$ LANG=C make HOSTCC=x86_64-pc-linux-gnu-gcc CC=ia64-unknown-linux-gnu-gcc HOST_ARCH=ia64
ia64-unknown-linux-gnu-gcc ... \
-o libefivar.so ...
/usr/libexec/gcc/ia64-unknown-linux-gnu/ld: warning: -z relro ignored
collect2: error: ld returned 1 exit status
make[1]: *** [/home/slyfox/dev/git/efivar/src/include/rules.mk:32: libefivar.so] Error 1
```
ia64 (and a few others) binutils target does not support '-z relro' and always
issues a warning. --fatal-warnings spec option turns the build into always failing one.
The change drops `--fatal-warnings` options from gcc.spec entirely.
Reported-by: Émeric Maschino
Bug: https://bugs.gentoo.org/749963
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
--- a/gcc.specs
+++ b/gcc.specs
@@ -11,7 +11,7 @@
+ %(efivar_cpp_options) -Wmaybe-uninitialized -fno-merge-constants -fvisibility=hidden %{!r:%{!fpie:%{!fPIE:%{!fpic:%{!fPIC:%{!fno-pic:-fPIE}}}}}}
*self_spec:
-+ %{!shared:%{!static:%{!r:-pie}}} %{static:-Wl,-no-fatal-warnings -Wl,-static -static -Wl,-z,relro,-z,now}
++ %{!shared:%{!static:%{!r:-pie}}} %{static:-Wl,-static -static -Wl,-z,relro,-z,now}
*link:
-+ %{!static:--fatal-warnings} --no-undefined-version --no-allow-shlib-undefined --add-needed -z now --build-id %{!static:%{!shared:-pie}} %{shared:-z relro} %{static:%<pie}
++ --no-undefined-version --no-allow-shlib-undefined --add-needed -z now --build-id %{!static:%{!shared:-pie}} %{shared:-z relro} %{static:%<pie}
|
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