File 0001-build-add-disable-defaultflags.patch of Package tpm2-tss-engine.18939

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File 0001-build-add-disable-defaultflags.patch of Package tpm2-tss-engine.18939

From 0bd2b64d4028b0db45ef4901e9f5af5f0c0a6770 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] 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 f3a399c..e4f6aa1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -80,23 +80,30 @@ AS_IF([test "x$enable_tctienvvar" = xyes], [AC_DEFINE([ENABLE_TCTIENVVAR], [1])]
 
 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],
-- 
2.26.3

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File 0001-build-add-disable-defaultflags.patch of Package tpm2-tss-engine.18939

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