From 598fb413f4b747f53f2ceab77797105cb502caab Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Nov 11 2016 04:35:47 +0000
Subject: build system: added --strict, --ccstrict, --ldstrict support.


---

diff --git a/Makefile.in b/Makefile.in
index bcd354b..db198d5 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -21,6 +21,7 @@ CFLAGS_SYSROOT 		= @cflags_sysroot@
 CFLAGS_OS		= @cflags_os@
 CFLAGS_SITE		= @cflags_site@
 CFLAGS_PATH 		= @cflags_path@
+CFLAGS_STRICT 		= @cflags_strict@
 CFLAGS_UTIL 		= @cflags_util@
 
 LDFLAGS_COMMON 		= @ldflags_common@
@@ -29,6 +30,7 @@ LDFLAGS_CMDLINE 	= @ldflags_cmdline@
 LDFLAGS_CONFIG 		= @ldflags_config@
 LDFLAGS_SYSROOT 	= @ldflags_sysroot@
 LDFLAGS_PATH 		= @ldflags_path@
+LDFLAGS_STRICT 		= @ldflags_strict@
 LDFLAGS_UTIL 		= @ldflags_util@
 
 PE_SUBSYSTEM 		= @pe_subsystem@
@@ -292,6 +294,7 @@ clean:		clean-implib
 		@echo CFLAGS_OS:'              '$(CFLAGS_OS)
 		@echo CFLAGS_SITE:'            '$(CFLAGS_SITE)
 		@echo CFLAGS_PATH:'            '$(CFLAGS_PATH)
+		@echo CFLAGS_STRICT:'          '$(CFLAGS_STRICT)
 		@echo CFLAGS_UTIL:'            '$(CFLAGS_UTIL)
 		@echo
 		@echo LDFLAGS_COMMON:'         '$(LDFLAGS_COMMON)
@@ -300,6 +303,7 @@ clean:		clean-implib
 		@echo LDFLAGS_CONFIG:'         '$(LDFLAGS_CONFIG)
 		@echo LDFLAGS_SYSROOT:'        '$(LDFLAGS_SYSROOT)
 		@echo LDFLAGS_PATH:'           '$(LDFLAGS_PATH)
+		@echo LDFLAGS_STRICT:'         '$(LDFLAGS_STRICT)
 		@echo LDFLAGS_UTIL:'           '$(LDFLAGS_UTIL)
 		@echo
 
diff --git a/config.project b/config.project
index d6d5585..c2acfbe 100644
--- a/config.project
+++ b/config.project
@@ -26,6 +26,7 @@ mb_default_cflags_cmdline=
 mb_default_cflags_config=
 mb_default_cflags_sysroot=
 mb_default_cflags_path=
+mb_default_cflags_strict=
 mb_default_cflags_util=
 
 mb_default_ldflags_common="-Llib"
@@ -34,6 +35,7 @@ mb_default_ldflags_cmdline=
 mb_default_ldflags_config=
 mb_default_ldflags_sysroot=
 mb_default_ldflags_path=
+mb_default_ldflags_strict=
 mb_default_ldflags_util=
 
 mb_default_pe_subsystem=windows
diff --git a/config.usage b/config.usage
index 8eadb62..a3af209 100644
--- a/config.usage
+++ b/config.usage
@@ -26,6 +26,10 @@ supported switches:
 	--shell
 	--debug
 
+	--strict
+	--ccstrict
+	--ldstrict
+
 	--all-static
 	--all-shared
 	--enable-static
@@ -68,6 +72,7 @@ supported variables:
 	CFLAGS_CONFIG
 	CFLAGS_SYSROOT
 	CFLAGS_PATH
+	CFLAGS_STRICT
 	CFLAGS_UTIL
 
 	LDFLAGS
@@ -77,6 +82,7 @@ supported variables:
 	LDFLAGS_CONFIG
 	LDFLAGS_SYSROOT
 	LDFLAGS_PATH
+	LDFLAGS_STRICT
 	LDFLAGS_UTIL
 
 	PE_SUBSYSTEM
diff --git a/configure b/configure
index 63151a0..8a17f2e 100755
--- a/configure
+++ b/configure
@@ -68,6 +68,7 @@ init_vars()
 	mb_cflags_os=$CFLAGS_OS
 	mb_cflags_site=$CFLAGS_SITE
 	mb_cflags_path=$CFLAGS_PATH
+	mb_cflags_strict=$CFLAGS_STRICT
 	mb_cflags_util=$CFLAGS_UTIL
 
 	mb_ldflags=$LDFLAGS
@@ -77,6 +78,7 @@ init_vars()
 	mb_ldflags_config=$LDFLAGS_CONFIG
 	mb_ldflags_sysroot=$LDFLAGS_SYSROOT
 	mb_ldflags_path=$LDFLAGS_PATH
+	mb_ldflags_strict=$LDFLAGS_STRICT
 	mb_ldflags_util=$LDFLAGS_UTIL
 
 	mb_pe_subsystem=$PE_SUBSYSTEM
@@ -153,6 +155,7 @@ common_defaults()
 	[ -z "$mb_cflags_os" ]		&& mb_cflags_os=$mb_default_cflags_os
 	[ -z "$mb_cflags_site" ]	&& mb_cflags_site=$mb_default_cflags_site
 	[ -z "$mb_cflags_path" ]	&& mb_cflags_path=$mb_default_cflags_path
+	[ -z "$mb_cflags_strict" ]	&& mb_cflags_strict=$mb_default_cflags_strict
 	[ -z "$mb_cflags_util" ]	&& mb_cflags_util=$mb_default_cflags_util
 
 	[ -z "$mb_ldflags_debug" ]	&& mb_ldflags_debug=$mb_default_ldflags_debug
@@ -161,6 +164,7 @@ common_defaults()
 	[ -z "$mb_ldflags_config" ]	&& mb_ldflags_config=$mb_default_ldflags_config
 	[ -z "$mb_ldflags_sysroot" ]	&& mb_ldflags_sysroot=$mb_default_ldflags_sysroot
 	[ -z "$mb_ldflags_path" ]	&& mb_ldflags_path=$mb_default_ldflags_path
+	[ -z "$mb_ldflags_strict" ]	&& mb_ldflags_strict=$mb_default_ldflags_strict
 	[ -z "$mb_ldflags_util" ]	&& mb_ldflags_util=$mb_default_ldflags_util
 
 	[ -z "$mb_pe_subsystem" ]	&& mb_pe_subsystem=$mb_default_pe_subsystem
@@ -331,6 +335,16 @@ config_flags()
 		mb_ldflags="$mb_ldflags_libs"
 		mb_ldflags_util="$mb_ldflags_util -static"
 	fi
+
+	# ccstrict
+	if [ "$mb_ccstrict" = 'yes' ]; then
+		mb_cflags_strict='-Wall -Werror -Wextra -Wundef'
+	fi
+
+	# ldstrict
+	if [ "$mb_ldstrict" = 'yes' ]; then
+		mb_ldflags_strict='-Wl,--no-undefined'
+	fi
 }
 
 
@@ -360,6 +374,7 @@ config_copy()
 			-e 's^@cflags_os@^'"$mb_cflags_os"'^g'				\
 			-e 's^@cflags_site@^'"$mb_cflags_site"'^g'			\
 			-e 's^@cflags_path@^'"$mb_cflags_path"'^g'			\
+			-e 's^@cflags_strict@^'"$mb_cflags_strict"'^g'			\
 			-e 's^@cflags_util@^'"$mb_cflags_util"'^g'			\
 											\
 			-e 's^@ldflags@^'"$mb_ldflags"'^g'				\
@@ -369,6 +384,7 @@ config_copy()
 			-e 's^@ldflags_config@^'"$mb_ldflags_config"'^g'		\
 			-e 's^@ldflags_sysroot@^'"$mb_ldflags_sysroot"'^g'		\
 			-e 's^@ldflags_path@^'"$mb_ldflags_path"'^g'			\
+			-e 's^@ldflags_strict@^'"$mb_ldflags_strict"'^g'		\
 			-e 's^@ldflags_util@^'"$mb_ldflags_util"'^g'			\
 											\
 			-e 's^@pe_subsystem@^'"$mb_pe_subsystem"'^g'			\
@@ -533,6 +549,18 @@ for arg ; do
 			mb_disable_shared='no'
 			;;
 
+		# convenience
+		--strict)
+			mb_ccstrict='yes'
+			mb_ldstrict='yes'
+			;;
+		--ccstrict)
+			mb_ccstrict='yes'
+			;;
+		--ldstrict)
+			mb_ldstrict='yes'
+			;;
+
 		# project
 		--nickname=*)
 			mb_nickname=${arg#*=}
diff --git a/project/defs.mk b/project/defs.mk
index 09e54bd..11cec0f 100644
--- a/project/defs.mk
+++ b/project/defs.mk
@@ -42,7 +42,7 @@ STATIC_APP	= bin/$(OS_APP_PREFIX)$(NICKNAME)-static$(OS_APP_SUFFIX)
 CFLAGS		= $(CFLAGS_DEBUG)  $(CFLAGS_CONFIG)  $(CFLAGS_SYSROOT) \
 		   $(CFLAGS_COMMON) $(CFLAGS_CMDLINE) $(CFLAGS_HOST)	\
 		   $(CFLAGS_PATH) $(CFLAGS_OS) $(CFLAGS_SITE)            \
-		   $(CFLAGS_VERSION)
+		   $(CFLAGS_VERSION) $(CFLAGS_STRICT)
 
 CFLAGS_SHARED	= $(CFLAGS) $(CFLAGS_PIC) $(CFLAGS_SHARED_ATTR)
 CFLAGS_STATIC	= $(CFLAGS) $(CFLAGS_OBJ) $(CFLAGS_STATIC_ATTR)
@@ -50,13 +50,15 @@ CFLAGS_APP	= $(CFLAGS) $(CFLAGS_OBJ) $(CFLAGS_APP_ATTR) $(CFLAGS_UTIL)
 
 LDFLAGS_SHARED	= $(LDFLAGS_DEBUG)   $(LDFLAGS_CONFIG)  $(LDFLAGS_SYSROOT) \
 		   $(LDFLAGS_COMMON)  $(LDFLAGS_CMDLINE) $(LDFLAGS_HOST)    \
-		   $(LDFLAGS_PATH)    $(SHARED_LIB_DEPS) $(LDFLAGS_LAST)
+		   $(LDFLAGS_PATH)    $(SHARED_LIB_DEPS) $(LDFLAGS_STRICT)   \
+		   $(LDFLAGS_LAST)
 
 LDFLAGS_APP	= $(LDFLAGS_DEBUG)   $(LDFLAGS_CONFIG)  $(LDFLAGS_SYSROOT) \
 		   $(LDFLAGS_COMMON)  $(LDFLAGS_CMDLINE) $(LDFLAGS_HOST)    \
-		   $(LDFLAGS_PATH)    $(SHARED_APP_DEPS) $(LDFLAGS_LAST)     \
-		   $(LDFLAGS_UTIL)
+		   $(LDFLAGS_PATH)    $(SHARED_APP_DEPS) $(LDFLAGS_STRICT)   \
+		   $(LDFLAGS_UTIL)    $(LDFLAGS_LAST)
 
 LDFLAGS_STATIC	= $(LDFLAGS_DEBUG)   $(LDFLAGS_CONFIG)  $(LDFLAGS_SYSROOT) \
 		   $(LDFLAGS_COMMON)  $(LDFLAGS_CMDLINE) $(LDFLAGS_HOST)    \
-		   $(LDFLAGS_PATH)    $(STATIC_APP_DEPS) $(LDFLAGS_LAST)
+		   $(LDFLAGS_PATH)    $(STATIC_APP_DEPS) $(LDFLAGS_STRICT)   \
+		   $(LDFLAGS_LAST)