Changeset e9dba436 in mainline for uspace/Makefile.common

Timestamp:

2018-01-26T23:50:30Z (6 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Children:

663b26ec

Parents:

03cfe2ec

Message:

Generate files that a third party can use to build software for HelenOS
without necessarily knowing anything about the build system.

File:

• uspace/Makefile.common (modified) (4 diffs)

uspace/Makefile.common

@@ -174 +174 @@
 endif
 
-COMMON_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
-        -ffreestanding -nostdlib -nostdinc -fexec-charset=UTF-8 \
-        -finput-charset=UTF-8 -D__$(ENDIANESS)__ -D_HELENOS_SOURCE -fno-common \
+# Flags that are not necessary, and can be overriden, but are used by default.
+DEFAULT_CFLAGS = \
+        -O$(OPTIMIZATION) \
+        -ffunction-sections \
+        -pipe \
+        -Wall \
+        -Wextra \
+        -Wno-unused-parameter \
+        -Wmissing-prototypes \
+        -Wwrite-strings \
+        -Werror-implicit-function-declaration
+
+ifeq ($(CONFIG_DEBUG),y)
+        DEFAULT_CFLAGS += -Werror
+endif
+
+ifeq ($(COMPILER),clang)
+        DEFAULT_CFLAGS += \
+                -Wno-missing-field-initializers \
+                -Wno-typedef-redefinition \
+                -Wno-unused-command-line-argument
+else
+        DEFAULT_CFLAGS += \
+                -Wno-clobbered
+endif
+
+ifeq ($(CONFIG_LINE_DEBUG),y)
+        DEFAULT_CFLAGS += -ggdb
+endif
+
+# Flags that should always be used, even for third-party software.
+COMMON_CFLAGS = \
+        -ffreestanding \
+        -nostdlib \
+        -nostdinc \
+        -D__$(ENDIANESS)__
+
+# Flags that are always used for HelenOS code, but not for third-party.
+HELENOS_CFLAGS = \
+        -std=gnu99 \
+        $(INCLUDES_FLAGS) \
+        -imacros $(CONFIG_HEADER) \
+        -D_HELENOS_SOURCE \
+        -fexec-charset=UTF-8 \
+        -finput-charset=UTF-8 \
+        -fno-common \
         -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
 
-GCC_CFLAGS = -ffunction-sections -Wall -Wextra -Wno-clobbered \
-        -Wno-unused-parameter -Wmissing-prototypes -std=gnu99 \
-        -Werror-implicit-function-declaration \
-        -Wwrite-strings -pipe
-
-# -Wno-missing-prototypes is there because it warns about main().
-# This should be fixed elsewhere.
-CLANG_CFLAGS = -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wno-typedef-redefinition \
-        -Wno-missing-prototypes -Wno-unused-command-line-argument \
-        -std=gnu99 -Werror-implicit-function-declaration -Wwrite-strings \
-        -pipe -fno-stack-protector -fno-PIC
-
-ifeq ($(CONFIG_DEBUG),y)
-        COMMON_CFLAGS += -Werror
-endif
-
-ifeq ($(CONFIG_LINE_DEBUG),y)
-        GCC_CFLAGS += -ggdb
-        CLANG_CFLAGS += -g
-endif
+# TODO: Use a different name.
+# CFLAGS variable is traditionally used for overridable flags.
+CFLAGS = $(COMMON_CFLAGS) $(HELENOS_CFLAGS) $(DEFAULT_CFLAGS)
 
 ## Setup platform configuration
@@ -216 +242 @@
 endif
 
-ifeq ($(COMPILER),clang)
-        CFLAGS += $(COMMON_CFLAGS) $(CLANG_CFLAGS)
-else
-        CFLAGS += $(COMMON_CFLAGS) $(GCC_CFLAGS)
-endif
-
 ifeq ($(CONFIG_STRIP_BINARIES),y)
         LFLAGS += --strip-all
@@ -246 +266 @@
 all-test: $(TEST_OUTPUTS)
 
-clean:
-        rm -f $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
+clean: fasterclean
         find . -name '*.o' -follow -exec rm \{\} \;
         find . -name '*.lo' -follow -exec rm \{\} \;
@@ -253 +272 @@
 
 fasterclean:
-        rm -f $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
+        rm -rf $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
 
 depend: $(PRE_DEPEND)