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Add support for Stack Protector

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FossilOrigin-Name: 5e80ba800541b636d62ca53c912322ce1923153d0e8cd1ccf45365b379f00331
This commit is contained in:
Jonathan Schleifer 2025-03-28 20:08:51 +00:00
parent 235c32d809
commit 28ed7cbfe1
2 changed files with 58 additions and 1 deletions
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55
build-aux/m4/buildsys.m4
View file

@ -209,6 +209,61 @@ AC_DEFUN([BUILDSYS_PROG_IMPLIB], [
AC_SUBST(PROG_IMPLIB_LDFLAGS)
])
AC_DEFUN([BUILDSYS_STACK_PROTECTOR], [
AC_REQUIRE([AC_CANONICAL_HOST])
AC_MSG_CHECKING(for Stack Protector)
old_CFLAGS="$CFLAGS"
old_CXXFLAGS="$CXXFLAGS"
old_OBJCFLAGS="$OBJCFLAGS"
old_OBJCXXFLAGS="$OBJCXXFLAGS"
old_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS -fstack-protector-strong"
CXXFLAGS="$CXXFLAGS -fstack-protector-strong"
OBJCFLAGS="$OBJCFLAGS -fstack-protector-strong"
OBJCXXFLAGS="$OBJCXXFLAGS -fstack-protector-strong"
LDFLAGS="$LDFLAGS -fstack-protector-strong"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([
#include <stdio.h>
], [
puts("Stack Protector test");
])
], [
AC_MSG_RESULT(strong)
AC_SUBST(STACK_PROTECTOR_CFLAGS, -fstack-protector-strong)
AC_SUBST(STACK_PROTECTOR_LDFLAGS, -fstack-protector-strong)
], [
CFLAGS="$old_CFLAGS -fstack-protector"
CXXFLAGS="$old_CXXFLAGS -fstack-protector"
OBJCFLAGS="$old_OBJCFLAGS -fstack-protector"
OBJCXXFLAGS="$old_OBJCXXFLAGS -fstack-protector"
LDFLAGS="$old_LDFLAGS -fstack-protector"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([
#include <stdio.h>
], [
puts("Stack Protector test");
])
], [
AC_MSG_RESULT(yes)
AC_SUBST(STACK_PROTECTOR_CFLAGS, -fstack-protector)
AC_SUBST(STACK_PROTECTOR_LDFLAGS, -fstack-protector)
], [
AC_MSG_RESULT(no)
])
])
CFLAGS="$old_CFLAGS"
CXXFLAGS="$old_CXXFLAGS"
OBJCFLAGS="$old_OBJCFLAGS"
OBJCXXFLAGS="$old_OBJCXXFLAGS"
LDFLAGS="$old_LDFLAGS"
])
AC_DEFUN([BUILDSYS_PIE], [
AC_REQUIRE([AC_CANONICAL_HOST])
AC_MSG_CHECKING(for Position Independent Executable support)

4
buildsys.mk.in
View file

@ -47,9 +47,11 @@ PYTHON_FLAGS = @PYTHON_FLAGS@
PROG_IMPLIB_NEEDED = @PROG_IMPLIB_NEEDED@
PROG_IMPLIB_LDFLAGS = @PROG_IMPLIB_LDFLAGS@
PROG_SUFFIX = @EXEEXT@
STACK_PROTECTOR_CFLAGS = @STACK_PROTECTOR_CFLAGS@
STACK_PROTECTOR_LDFLAGS = @STACK_PROTECTOR_LDFLAGS@
RELRO_LDFLAGS = @RELRO_LDFLAGS@
PIE_CFLAGS = @PIE_CFLAGS@
PIE_LDFLAGS = @PIE_LDFLAGS@
RELRO_LDFLAGS = @RELRO_LDFLAGS@
LIB_CFLAGS = @LIB_CFLAGS@
LIB_LDFLAGS = @LIB_LDFLAGS@
LIB_LDFLAGS_INSTALL_NAME = @LIB_LDFLAGS_INSTALL_NAME@