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libsepol/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 loading first
in the library list.

Clang has this enabled by default.

Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: William Roberts <william.c.roberts@intel.com>
This commit is contained in:
William Roberts 2020-03-06 08:58:13 -06:00 committed by stephensmalley
parent bbea17345a
commit d1284ab457
1 changed files with 1 additions and 1 deletions
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libsepol/src/Makefile
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@ -19,7 +19,7 @@ LIBMAP=libsepol.map
LIBSO=$(TARGET).$(LIBVERSION)
OBJS= $(patsubst %.c,%.o,$(sort $(wildcard *.c)))
LOBJS= $(patsubst %.c,%.lo,$(sort $(wildcard *.c)))
CFLAGS ?= -Werror -Wall -W -Wundef -Wshadow -Wmissing-format-attribute -O2
CFLAGS ?= -Werror -Wall -W -Wundef -Wshadow -Wmissing-format-attribute -O2 -fno-semantic-interposition
override CFLAGS += -I. -I../include -D_GNU_SOURCE