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Makefile: add -fno-semantic-interposition

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Add -fno-semantic-interposition to CFLAGS. This will restore
the DSO infrastructures protections to insure internal callers
of exported symbols call into libselinux and not something laoding first
in the library list.

Clang has this enabled by default.

Signed-off-by: William Roberts <william.c.roberts@intel.com>
This commit is contained in:
William Roberts 2020-02-27 16:19:57 -06:00
parent 4246bb550d
commit 7f9edee769
1 changed files with 1 additions and 1 deletions
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2
libselinux/src/Makefile
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@ -65,7 +65,7 @@ EXTRA_CFLAGS = -fipa-pure-const -Wlogical-op -Wpacked-bitfield-compat -Wsync-nan
-Wcoverage-mismatch -Wcpp -Wformat-contains-nul -Wnormalized=nfc -Wsuggest-attribute=const \
-Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wtrampolines -Wjump-misses-init \
-Wno-suggest-attribute=pure -Wno-suggest-attribute=const -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 \
-Wstrict-overflow=5
-Wstrict-overflow=5 -fno-semantic-interposition
else
EXTRA_CFLAGS = -Wunused-command-line-argument
endif