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From 56cc4110e1ef0667ff248a689c50803c2ec4312b Mon Sep 17 00:00:00 2001
From: Alon Bar-Lev <alon.barlev@gmail.com>
Date: Fri, 31 May 2019 02:30:37 +0300
Subject: [PATCH 2/3] build: add --disable-defaultflags
Align with tpm2-tss to allow downstream to provide flags.
Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
---
configure.ac | 41 ++++++++++++++++++++++++-----------------
1 file changed, 24 insertions(+), 17 deletions(-)
diff --git a/configure.ac b/configure.ac
index d14c4d7..3ee45c5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -84,23 +84,30 @@ AC_ARG_ENABLE([tctienvvar],
AC_CONFIG_FILES([Makefile])
-AX_ADD_COMPILER_FLAG([-std=c99])
-AX_ADD_COMPILER_FLAG([-Wall])
-AX_ADD_COMPILER_FLAG([-Wextra])
-AX_ADD_COMPILER_FLAG([-Wformat-security])
-AX_ADD_COMPILER_FLAG([-Werror])
-AX_ADD_COMPILER_FLAG([-fstack-protector-all])
-AX_ADD_COMPILER_FLAG([-fpic])
-AX_ADD_COMPILER_FLAG([-fPIC])
-
-# work around GCC bug #53119
-# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119
-AX_ADD_COMPILER_FLAG([-Wno-missing-braces])
-
-AX_ADD_LINK_FLAG([-Wl,--no-undefined])
-AX_ADD_LINK_FLAG([-Wl,-z,noexecstack])
-AX_ADD_LINK_FLAG([-Wl,-z,now])
-AX_ADD_LINK_FLAG([-Wl,-z,relro])
+AC_ARG_ENABLE([defaultflags],
+ [AS_HELP_STRING([--disable-defaultflags],
+ [Disable default preprocessor, compiler, and linker flags.])],,
+ [enable_defaultflags=yes])
+AS_IF([test "x$enable_defaultflags" = "xyes"],
+ [
+ AX_ADD_COMPILER_FLAG([-std=c99])
+ AX_ADD_COMPILER_FLAG([-Wall])
+ AX_ADD_COMPILER_FLAG([-Wextra])
+ AX_ADD_COMPILER_FLAG([-Wformat-security])
+ AX_ADD_COMPILER_FLAG([-Werror])
+ AX_ADD_COMPILER_FLAG([-fstack-protector-all])
+ AX_ADD_COMPILER_FLAG([-fpic])
+ AX_ADD_COMPILER_FLAG([-fPIC])
+
+ # work around GCC bug #53119
+ # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119
+ AX_ADD_COMPILER_FLAG([-Wno-missing-braces])
+
+ AX_ADD_LINK_FLAG([-Wl,--no-undefined])
+ AX_ADD_LINK_FLAG([-Wl,-z,noexecstack])
+ AX_ADD_LINK_FLAG([-Wl,-z,now])
+ AX_ADD_LINK_FLAG([-Wl,-z,relro])
+ ])
AX_CODE_COVERAGE
m4_ifdef([_AX_CODE_COVERAGE_RULES],
--
2.24.1
|
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