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initialize CFLAGS in configure as empty, remove erasing it when hardening CFLAGS

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This commit is contained in:
John Safranek
2015-09-17 16:36:53 -07:00
parent 8ba207e477
commit 2c87cfa983
2 changed files with 6 additions and 2 deletions
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4
configure.ac
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@@ -10,6 +10,10 @@ AC_INIT([wolfssl],[3.6.8],[https://github.com/wolfssl/wolfssl/issues],[wolfssl],
AC_CONFIG_AUX_DIR([build-aux]) AC_CONFIG_AUX_DIR([build-aux])
# The following sets CFLAGS to empty if unset on command line. We do not want
# the default "-g -O2" that AC_PROG_CC sets automatically.
: ${CFLAGS=""}
AC_CANONICAL_HOST AC_CANONICAL_HOST
AC_CANONICAL_BUILD AC_CANONICAL_BUILD

4
m4/ax_harden_compiler_flags.m4
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@@ -62,7 +62,8 @@
# AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all],,[$ax_append_compile_cflags_extra]) -- causes RSA verify problem on x64 # AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all],,[$ax_append_compile_cflags_extra]) -- causes RSA verify problem on x64
# AX_APPEND_COMPILE_FLAGS([-Wunreachable-code],,[$ax_append_compile_cflags_extra]) -- older clang and when gcc had it are buggy # AX_APPEND_COMPILE_FLAGS([-Wunreachable-code],,[$ax_append_compile_cflags_extra]) -- older clang and when gcc had it are buggy
#serial 4.1 #serial 4.2
# changes: deleted the clearing of CFLAGS
AC_DEFUN([AX_HARDEN_LINKER_FLAGS], [ AC_DEFUN([AX_HARDEN_LINKER_FLAGS], [
AC_REQUIRE([AX_VCS_CHECKOUT]) AC_REQUIRE([AX_VCS_CHECKOUT])
@@ -97,7 +98,6 @@
AC_LANG_PUSH([C]) AC_LANG_PUSH([C])
CFLAGS=
ac_cv_warnings_as_errors=no ac_cv_warnings_as_errors=no
ax_append_compile_cflags_extra= ax_append_compile_cflags_extra=
AS_IF([test "$ac_cv_vcs_checkout" = "yes"],[ AS_IF([test "$ac_cv_vcs_checkout" = "yes"],[