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Enable stack smashing protection (#315)

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Check "by example" whether `-fstack-protector-strong` is supported.
This commit is contained in:
Ben Wiederhake 2016-10-13 16:02:37 +02:00 • committed by GitHub
commit a904aa37da
1 changed files with 7 additions and 1 deletions
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8
Makefile.in
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@ -22,7 +22,7 @@ datarootdir=@datarootdir@
localedir=@localedir@
gettext_package=@GETTEXT_PACKAGE@
CFLAGS=@CFLAGS@ @PURPLE_CFLAGS@ @DEFS@ -DENABLE_NLS -DLOCALEDIR='"$(localedir)"' -Wall -Wextra -Wno-deprecated-declarations -Wno-unused-parameter -I${srcdir} -I. -fno-strict-aliasing -fPIC
CFLAGS=@CFLAGS@ @PURPLE_CFLAGS@ @DEFS@ -DENABLE_NLS -DLOCALEDIR='"$(localedir)"' -Wall -Wextra -Wno-deprecated-declarations -Wno-unused-parameter -I${srcdir} -I. -fno-strict-aliasing -fPIC -D_FORTIFY_SOURCE=2
LDFLAGS=@LDFLAGS@ @OPENSSL_LIBS@ @PURPLE_LIBS@ @LIBS@ -rdynamic -ggdb
DIR_PERM=0755
FILE_PERM=0644
@ -31,6 +31,12 @@ CC=@CC@
PKG_CONFIG=@PKG_CONFIG@
MSGFMT_PATH=@MSGFMT_PATH@
# Check if -fstack-protector-strong is supported before enabling it
SPUNSUPPORTED = $(shell $(CC) -fstack-protector-strong 2>&1 | grep -c 'stack-protector-strong')
ifeq "$(SPUNSUPPORTED)" "0"
CFLAGS += -fstack-protector-strong
endif
DEP=dep
EXE=bin
OBJ=objs