Name of included Makefile.omk can by changed via MAKEFILE_OMK variable.

[omk.git] / snippets / linux

diff --git a/snippets/linux b/snippets/linux
index c38688698817480a34c85fb881ea1333e657935d..f8689a15f09104e07a9e976e1b17bc9704d5866e 100644 (file)
--- a/snippets/linux
+++ b/snippets/linux
@@ -23,6 +23,8 @@
 #
 # LINUX_DIR        .. location of Linux kernel sources
 # RTL_DIR          .. location of RT-Linux sources
+# CFLAGS           .. C compiler flags
+# CXXFLAGS         .. C++ compiler flags
 
 # Hack to check RT-Linux rules
 #LINUX_DIR := /home/cvs/ocera/ocera-build/kernel/linux
@@ -30,12 +32,10 @@
 #CONFIG_RTLINUX = y
 #OCERA_DIR := $(shell ( cd -L $(MAKERULES_DIR)/../../.. ; pwd -L ) )
 
-#CFLAGS += -ggdb
-CFLAGS += -O2 
-CFLAGS += -Wall
-#CXXFLAGS += -ggdb
-CXXFLAGS += -O2
-CXXFLAGS += -Wall
+# Assign default values to CFLAGS variable. If the variable is defined
+# earlier (i.g. in config.omk), it is not overriden here.
+CFLAGS ?= -O2 -Wall
+CXXFLAGS ?= -O2 -Wall
 
 
 CPPFLAGS  += -I $(USER_INCLUDE_DIR)
@@ -80,11 +80,11 @@ srcdir = $(SOURCES_DIR)
 USER_OBJS_DIR = $(USER_BUILD_DIR)/$(RELATIVE_DIR)
 KERN_OBJS_DIR = $(KERN_BUILD_DIR)/$(RELATIVE_DIR)
 
-.PHONY: dep subdirs clean clean-custom cleandepend
+.PHONY: dep subdirs clean clean-custom cleandepend check-dir
 
 # Some support to serialize some targets for parallel make
 ifneq ($(OMK_SERIALIZE_INCLUDED),y)
-include-pass: $(check-dir)
+include-pass: check-dir
 library-pass: include-pass
 binary-pass: library-pass
 kernel-lib-pass: include-pass
@@ -188,6 +188,7 @@ endef
 
 
 # Syntax: $(call PROGRAM_template,<dir>,<executable-name>,<executable-suffix>,<linker-sript>)
+# FIXME: ???????? asi je tu blbej komentar
 define PROGRAM_template
 
 USER_IDLS  += $$($(1)_SERVER_IDL) $$($(1)_CLIENT_IDL) $$($(1)_IDL)
@@ -207,11 +208,11 @@ $(1)_OBJS := $$(sort $$($(1)_OBJS:%/=%))
 USER_OBJS  += $$($(1)_OBJS)
 USER_SOURCES += $$($(1)_SOURCES)
 
-$(2)/$(1): $$($(1)_OBJS)
+$(2)/$(1)$(3): $$($(1)_OBJS)
        @$(QUIET_CMD_ECHO) "  LINK    $$@"
-       $(Q) $$(shell if [ -z "$$(filter %.cc,$$($(1)_SOURCES:%.cxx=%.cc))" ] ; then echo $$(CC) ; else echo $$(CXX) ; fi) \
-         $$($(1)_OBJS) $$($(1)_LIBS:%=-l%) $$(LOADLIBES) $$(LDFLAGS) -Wl,-Map,$(USER_OBJS_DIR)/$(1).exe.map -o $(2)/$(1)
-       @echo "$(2)/$(1): \\" >$(USER_OBJS_DIR)/$(1).exe.d
+       $(Q) $$(if $$(filter %.cc,$$($(1)_SOURCES:%.cxx=%.cc)),$$(CC),$$(CXX)) \
+         $$($(1)_OBJS) $$($(1)_LIBS:%=-l%) $$(LOADLIBES) $$(LDFLAGS) -Wl,-Map,$(USER_OBJS_DIR)/$(1).exe.map -o $$@
+       @echo "$(2)/$(1)$(3): \\" >$(USER_OBJS_DIR)/$(1).exe.d
        @sed -n -e 's/^LOAD \(.*\)$$$$/  \1  \\/p' $(USER_OBJS_DIR)/$(1).exe.map  >>$(USER_OBJS_DIR)/$(1).exe.d
        @echo >>$(USER_OBJS_DIR)/$(1).exe.d
 endef
@@ -273,7 +274,7 @@ endef
 library-pass-local: $(addprefix $(USER_INCLUDE_DIR)/,$(cmetric_include_HEADERS)) \
                    $(lib_LIBRARIES:%=$(USER_LIB_DIR)/lib%.a) $(shared_LIBRARIES:%=$(USER_LIB_DIR)/lib%.$(SOLIB_EXT))
 
-binary-pass-local: $(bin_PROGRAMS:%=$(USER_BIN_DIR)/%) $(utils_PROGRAMS:%=$(USER_UTILS_DIR)/%)
+binary-pass-local: $(bin_PROGRAMS:%=$(USER_BIN_DIR)/%$(EXE_SUFFIX)) $(utils_PROGRAMS:%=$(USER_UTILS_DIR)/%$(EXE_SUFFIX))
 
 # Special rules for CMETRIC generated headers
 
@@ -290,9 +291,9 @@ GEN_HEADERS+=$(filter %.h,$(USER_IDLS:%.idl=%.h))
 
 # Generate rules for compilation of programs and libraries
 
-$(foreach prog,$(utils_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_UTILS_DIR))))
+$(foreach prog,$(utils_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_UTILS_DIR),$(EXE_SUFFIX))))
 
-$(foreach prog,$(bin_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_BIN_DIR))))
+$(foreach prog,$(bin_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_BIN_DIR),$(EXE_SUFFIX))))
 
 $(foreach lib,$(lib_LIBRARIES),$(eval $(call LIBRARY_template,$(lib))))
 
@@ -361,6 +362,7 @@ KERN_AR = $(AR)
 endif
 ifeq ($(LINUX_QUOTE_MODNAME),y)
 KERN_MQ=\"
+KERN_KBUILD_MODNAME=-D"KBUILD_MODNAME=((THIS_MODULE)?(THIS_MODULE)->name:NULL)"
 endif
 endif # CONFIG_RTLINUX
 
@@ -399,7 +401,8 @@ define COMPILE_c_o_kern_template
 
 $(2): $(1) $(LOCAL_CONFIG_H)
        @$(QUIET_CMD_ECHO) "  CC [K]  $$@"
-       $(Q) if $$(c_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
+       $(Q) if $$(c_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
+       -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
        -o $$@ -c $$< ; \
        then mv -f "$$@.d.tmp" "$$@.d" ; \
        else rm -f "$$@.d.tmp" ; exit 1; \
@@ -412,7 +415,8 @@ define COMPILE_cc_o_kern_template
 
 $(2): $(1) $(LOCAL_CONFIG_H)
        @$(QUIET_CMD_ECHO) "  CXX [K] $$@"
-       $(Q) if $$(cc_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
+       $(Q) if $$(cc_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
+       -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
        -o $$@ -c $$< ; \
        then mv -f "$$@.d.tmp" "$$@.d" ; \
        else rm -f "$$@.d.tmp" ; exit 1; \
@@ -464,7 +468,7 @@ $(2)/$(1)$(KERN_LINK_SUFFIX): $$($(1)_OBJS)
        @echo "$(2)/$(1)$(KERN_LINK_SUFFIX): \\" >$(KERN_OBJS_DIR)/$(1).mod.d
        @sed -n -e 's/^LOAD \(.*\)$$$$/  \1  \\/p' $(KERN_OBJS_DIR)/$(1).mod.map  >>$(KERN_OBJS_DIR)/$(1).mod.d
        @echo >>$(KERN_OBJS_DIR)/$(1).mod.d
-       @if [ "$(KERN_EXE_SUFFIX)" == ".ko" ] ; then \
+       @if [ "$(KERN_EXE_SUFFIX)" = ".ko" ] ; then \
          echo $(1) >>$(KERN_MODPOST_DIR)/module-changes ; \
          echo $(1) >>$(KERN_MODPOST_DIR)/$(1).mod.stamp ; \
        fi
@@ -564,13 +568,6 @@ $(eval $(call omk_pass_template, binary-pass, $(USER_OBJS_DIR),USER_RULE_TEMPLAT
 OTHER_PASSES = clean install include-pass
 $(eval $(call omk_pass_template,$(OTHER_PASSES),$(USER_OBJS_DIR),,always))
 
-# Create directories only for the first time
-ifndef CHECK_DIR_DONE
-check-dir = check-dir
-CHECK_DIR_DONE = y
-endif
-export CHECK_DIR_DONE
-
 check-dir:
        @$(call mkdir_def,$(USER_BUILD_DIR))
        @$(call mkdir_def,$(KERN_BUILD_DIR))
@@ -659,7 +656,7 @@ clean-local: clean-custom
            touch -t 200001010101 $(KERN_LIB_DIR)/kernel.mk ; \
        fi
 
-default: $(check-dir) include-pass library-pass binary-pass
+default: include-pass library-pass binary-pass
 ifndef OMIT_KERNEL_PASSES
 # Also make kernel passes if not disabled
 default: kernel-lib-pass kernel-pass