Check-in [25024a31b0]
Overview
Comment:Make hardening optional, disabled by default when statically linking because it requires the linking program to fully participate
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 25024a31b0a24964e1ddf95dac48f41468309f75d56ea889e1c44a34d3231338
User & Date: rkeene on 2019-06-19 17:45:41
Other Links: manifest | tags
Context
2019-06-19
17:58
Better handling of symbols in our shared object check-in: 3af2fe0ca8 user: rkeene tags: trunk
17:45
Make hardening optional, disabled by default when statically linking because it requires the linking program to fully participate check-in: 25024a31b0 user: rkeene tags: trunk
2019-04-12
16:58
Better handling of shared/static naming issues check-in: 2c8d3629bc user: rkeene tags: trunk
Changes

Modified configure.ac from [9215a3ba47] to [27c882f156].

177
178
179
180
181
182
183















184
185
186




187
188
189
190
191
192
193
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198



199
200
201
202
203
204
205
206
207
208
209







+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
-
-
+
+
+
+







AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])
AX_CHECK_COMPILE_FLAG([-W], [
	CFLAGS="$CFLAGS -W"
	AX_CHECK_COMPILE_FLAG([-Wno-self-assign], [CFLAGS="$CFLAGS -Wno-self-assign"])
])

dnl Enable hardening
tcltls_enable_hardening='auto'
AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable hardening attempts]), [
	tcltls_enable_hardening="$enableval"
])
if test "$tcltls_enable_hardening" = 'auto'; then
	tcltls_enable_hardening='true'
	if test "$TCLEXT_BUILD" = 'static'; then
		tcltls_enable_hardening='false'
	fi
elif test "$tcltls_enable_hardening" = 'yes'; then
	tcltls_enable_hardening='true'
else
	tcltls_enable_hardening='false'
fi
if test "$tcltls_enable_hardening" = 'true'; then
AX_CHECK_COMPILE_FLAG([-fstack-protector-all], [CFLAGS="$CFLAGS -fstack-protector-all"])
AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"])
AC_DEFINE([_FORTIFY_SOURCE], [2], [Enable fortification])
	AX_CHECK_COMPILE_FLAG([-fstack-protector-all], [CFLAGS="$CFLAGS -fstack-protector-all"])
	AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"])
	AC_DEFINE([_FORTIFY_SOURCE], [2], [Enable fortification])
fi

dnl XXX:TODO: Automatically determine the SSL library to use
dnl           defaulting to OpenSSL for compatibility reasons
if test "$tcltls_ssl_lib" = 'auto'; then
	tcltls_ssl_lib='openssl'
fi