diff options
Diffstat (limited to 'Makefile.rules')
| -rw-r--r-- | Makefile.rules | 82 |
1 files changed, 64 insertions, 18 deletions
diff --git a/Makefile.rules b/Makefile.rules index 3b876e6dc..92fca37c9 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -3,7 +3,7 @@ # # Makefile rules # -# Copyright (C) 2006, Digium, Inc. +# Copyright (C) 2006-2008, Digium, Inc. # # Kevin P. Fleming <kpfleming@digium.com> # @@ -11,7 +11,6 @@ # the GNU General Public License # -# Rules for various build phases. # Each command is preceded by a short comment on what to do. # Prefixing one or the other with @\# or @ or nothing makes the desired # behaviour. ECHO_PREFIX prefixes the comment, CMD_PREFIX prefixes the command. @@ -21,16 +20,18 @@ .PHONY: dist-clean # extra cflags to build dependencies. Recursively expanded. -MAKE_DEPS= -MD -MT $@ -MF .$(subst /,_,$@).d -MP +MAKE_DEPS=-MD -MT $@ -MF .$(subst /,_,$@).d -MP ifeq ($(NOISY_BUILD),) ECHO_PREFIX=@ CMD_PREFIX=@ else - ECHO_PREFIX=@\# + ECHO_PREFIX=@\# CMD_PREFIX= endif +OPTIMIZE?=-O6 + ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS)),) # More GSM codec optimization # Uncomment to enable MMXTM optimizations for x86 architecture CPU's @@ -38,30 +39,75 @@ ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS)),) # ppro's, etc, as well as the AMD K6 and K7. #K6OPT=-DK6OPT - OPTIMIZE?=-O6 ASTCFLAGS+=$(OPTIMIZE) endif -# build rules for various targets -%.o: %.c - $(ECHO_PREFIX) echo " [CC] $< -> $@" - $(CMD_PREFIX) $(CC) -o $@ -c $< $(PTHREAD_CFLAGS) $(ASTCFLAGS) $(MAKE_DEPS) +# shortcuts for common combinations of flags; these must be recursively expanded so that +# per-target settings will be applied +CC_CFLAGS=$(PTHREAD_CFLAGS) $(ASTCFLAGS) +CXX_CFLAGS=$(PTHREAD_CFLAGS) $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations $(AST_DECLARATION_AFTER_STATEMENT),$(ASTCFLAGS)) +CC_LDFLAGS_SO=$(PTHREAD_CFLAGS) $(ASTLDFLAGS) $(SOLINK) +CXX_LDFLAGS_SO=$(PTHREAD_CFLAGS) $(ASTLDFLAGS) $(SOLINK) +CC_LIBS=$(PTHREAD_LIBS) $(LIBS) +CXX_LIBS=$(PTHREAD_LIBS) $(LIBS) + +# determine whether to double-compile so that the optimizer can report code path problems +# this is only done when developer mode and DONT_OPTIMIZE are both enabled +# in that case, we run the preprocessor to produce a .i or .ii file from the source +# code, then compile once with optimizer enabled (and the output to /dev/null), +# and if that doesn't fail then compile again with optimizer disabled +ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS))$(AST_DEVMODE),DONT_OPTIMIZEyes) +COMPILE_DOUBLE=yes +endif + +%.o: %.s + $(ECHO_PREFIX) echo " [AS] $< -> $@" +ifeq ($(COMPILE_DOUBLE),yes) + $(CMD_PREFIX) $(CC) -o /dev/null -c $< $(CC_CFLAGS) $(OPTIMIZE) +endif + $(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS) %.o: %.i $(ECHO_PREFIX) echo " [CCi] $< -> $@" - $(CMD_PREFIX) $(CC) -o $@ -c $< $(PTHREAD_CFLAGS) $(ASTCFLAGS) $(MAKE_DEPS) +ifeq ($(COMPILE_DOUBLE),yes) + $(CMD_PREFIX) $(CC) -o /dev/null -c $< $(CC_CFLAGS) $(OPTIMIZE) +endif + $(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS) + +%.o: %.c + $(ECHO_PREFIX) echo " [CC] $< -> $@" +ifeq ($(COMPILE_DOUBLE),yes) + $(CMD_PREFIX) $(CC) -o $(@:%.o=%.i) -E $< $(CC_CFLAGS) $(MAKE_DEPS) + $(CMD_PREFIX) $(CC) -o /dev/null -c $(@:%.o=%.i) $(CC_CFLAGS) $(OPTIMIZE) + $(CMD_PREFIX) $(CC) -o $@ -c $(@:%.o=%.i) $(CC_CFLAGS) +else + $(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS) $(MAKE_DEPS) +endif %.i: %.c $(ECHO_PREFIX) echo " [CPP] $< -> $@" - $(CMD_PREFIX) $(CC) -o $@ -E $< $(PTHREAD_CFLAGS) $(ASTCFLAGS) $(MAKE_DEPS) + $(CMD_PREFIX) $(CC) -o $@ -E $< $(CC_CFLAGS) $(MAKE_DEPS) -%.o: %.s - $(ECHO_PREFIX) echo " [AS] $< -> $@" - $(CMD_PREFIX) $(CC) -o $@ -c $< $(PTHREAD_CFLAGS) $(ASTCFLAGS) $(MAKE_DEPS) +%.oo: %.ii + $(ECHO_PREFIX) echo " [CXXi] $< -> $@" +ifeq ($(COMPILE_DOUBLE),yes) + $(CMD_PREFIX) $(CXX) -o /dev/null -c $< $(CXX_CFLAGS) $(OPTIMIZE) +endif + $(CMD_PREFIX) $(CXX) -o $@ -c $< $(CXX_CFLAGS) %.oo: %.cc $(ECHO_PREFIX) echo " [CXX] $< -> $@" - $(CMD_PREFIX) $(CXX) -o $@ -c $< $(PTHREAD_CFLAGS) $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations $(AST_DECLARATION_AFTER_STATEMENT),$(ASTCFLAGS)) $(MAKE_DEPS) +ifeq ($(COMPILE_DOUBLE),yes) + $(CMD_PREFIX) $(CXX) -o $(@:%.oo=%.ii) -E $< $(CXX_CFLAGS) $(MAKE_DEPS) + $(CMD_PREFIX) $(CXX) -o /dev/null -c $(@:%.oo=%.ii) $(CXX_CFLAGS) $(MAKE_DEPS) $(OPTIMIZE) + $(CMD_PREFIX) $(CXX) -o $@ -c $(@:%.oo=%.ii) $(CXX_CFLAGS) $(MAKE_DEPS) +else + $(CMD_PREFIX) $(CXX) -o $@ -c $< $(CXX_CFLAGS) $(MAKE_DEPS) +endif + +%.ii: %.cc + $(ECHO_PREFIX) echo " [CPP] $< -> $@" + $(CMD_PREFIX) $(CXX) -o $@ -E $< $(CXX_CFLAGS) $(MAKE_DEPS) %.c: %.y $(ECHO_PREFIX) echo " [BISON] $< -> $@" @@ -73,11 +119,11 @@ endif %.so: %.o $(ECHO_PREFIX) echo " [LD] $^ -> $@" - $(CMD_PREFIX) $(CC) $(STATIC_BUILD) -o $@ $(PTHREAD_CFLAGS) $(ASTLDFLAGS) $(SOLINK) $^ $(PTHREAD_LIBS) $(LIBS) + $(CMD_PREFIX) $(CC) $(STATIC_BUILD) -o $@ $(CC_LDFLAGS_SO) $^ $(CC_LIBS) %.so: %.oo $(ECHO_PREFIX) echo " [LDXX] $^ -> $@" - $(CMD_PREFIX) $(CXX) $(STATIC_BUILD) -o $@ $(PTHREAD_CFLAGS) $(ASTLDFLAGS) $(SOLINK) $^ $(PTHREAD_LIBS) $(LIBS) + $(CMD_PREFIX) $(CXX) $(STATIC_BUILD) -o $@ $(CXX_LDFLAGS_SO) $^ $(CXX_LIBS) %.eo: %.o $(ECHO_PREFIX) echo " [EMBED] $< -> $@" @@ -93,6 +139,6 @@ endif %: %.o $(ECHO_PREFIX) echo " [LD] $^ -> $@" - $(CMD_PREFIX) $(CXX) $(STATIC_BUILD) -o $@ $(PTHREAD_CFLAGS) $(ASTLDFLAGS) $^ $(PTHREAD_LIBS) $(LIBS) + $(CMD_PREFIX) $(CXX) $(STATIC_BUILD) -o $@ $(PTHREAD_CFLAGS) $(ASTLDFLAGS) $^ $(CXX_LIBS) dist-clean:: clean |