1c0ff6aa23
Later, the aports folder will probably get split up in its own repository. But right now this is simply convenient.
33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
# Turn on -Wl,-z,relro,-z,now by default.
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---
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gcc/doc/invoke.texi | 3 +++
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gcc/gcc.c | 1 +
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2 files changed, 4 insertions(+), 0 deletions(-)
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Index: b/gcc/doc/invoke.texi
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===================================================================
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--- a/gcc/doc/invoke.texi
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+++ b/gcc/doc/invoke.texi
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@@ -11424,6 +11424,9 @@ For example, @option{-Wl,-Map,output.map
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linker. When using the GNU linker, you can also get the same effect with
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@option{-Wl,-Map=output.map}.
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+NOTE: In Alpine Linux, for LDFLAGS, the option
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+@option{-Wl,-z,relro,now} is used. To disable, use @option{-Wl,-z,norelro}.
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+
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@item -u @var{symbol}
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@opindex u
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Pretend the symbol @var{symbol} is undefined, to force linking of
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Index: b/gcc/gcc.c
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===================================================================
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--- a/gcc/gcc.c
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+++ b/gcc/gcc.c
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@@ -890,6 +890,7 @@ proper position among the other output f
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"%{flto|flto=*:%<fcompare-debug*} \
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%{flto} %{fno-lto} %{flto=*} %l " LINK_PIE_SPEC \
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"%{fuse-ld=*:-fuse-ld=%*} " LINK_COMPRESS_DEBUG_SPEC \
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+ "-z relro -z now " \
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"%X %{o*} %{e*} %{N} %{n} %{r}\
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%{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} " VTABLE_VERIFICATION_SPEC " \
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%{static:} %{L*} %(mfwrap) %(link_libgcc) " SANITIZER_EARLY_SPEC " %o\
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