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Next version removes these using --disable-defaultflags
---
diff --git a/configure.ac b/configure.ac
index c42b487f..f9118642 100644
--- a/configure.ac
+++ b/configure.ac
@@ -189,19 +189,6 @@ AM_CONDITIONAL([ENABLE_INTEGRATION],[test "x$enable_integration" = "xyes"])
gl_LD_VERSION_SCRIPT
-AX_ADD_COMPILER_FLAG([-std=c99])
-AX_ADD_COMPILER_FLAG([-Wall])
-AX_ADD_COMPILER_FLAG([-Wextra])
-AX_ADD_COMPILER_FLAG([-Wformat-security])
-AX_ADD_COMPILER_FLAG([-Werror])
-AX_ADD_COMPILER_FLAG([-fstack-protector-all])
-AX_ADD_COMPILER_FLAG([-fpic])
-AX_ADD_COMPILER_FLAG([-fPIC])
-
-AX_ADD_PREPROC_FLAG([-D_DEFAULT_SOURCE])
-AX_ADD_PREPROC_FLAG([-D_BSD_SOURCE])
-AX_ADD_PREPROC_FLAG([-D_POSIX_SOURCE])
-
AC_ARG_WITH([maxloglevel],
[AS_HELP_STRING([--with-maxloglevel={none,error,warning,info,debug,trace}],
[sets the maximum log level (default is trace)])],
@@ -227,20 +214,9 @@ AC_ARG_ENABLE([debug],
[enable_debug=$enableval],
[enable_debug=no])
AS_IF([test "x$enable_debug" = "xyes"], AX_ADD_COMPILER_FLAG([-ggdb3 -Og]))
-AS_IF([test "x$enable_debug" = "xno"], [AX_ADD_PREPROC_FLAG([-U_FORTIFY_SOURCE])
- AX_ADD_PREPROC_FLAG([-D_FORTIFY_SOURCE=2])
- AX_ADD_COMPILER_FLAG([-g -O2])])
-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_SUBST([PATH])
-# work around GCC bug #53119
-# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119
-AX_ADD_COMPILER_FLAG([-Wno-missing-braces])
-
dnl --------- Physical TPM device -----------------------
AC_ARG_WITH([ptpm],
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