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| author | John Mark Bell <jmb@netsurf-browser.org> | 2009-06-20 11:11:53 +0000 |
|---|---|---|
| committer | John Mark Bell <jmb@netsurf-browser.org> | 2009-06-20 11:11:53 +0000 |
| commit | cd1c230244b6beb1e36f6471a89efc50ce5f6308 (patch) | |
| tree | 97c6aae1ed3a59c69363077f64b5f3009ab28e91 /makefiles/Makefile.tools | |
| parent | bd06b34383c2ffab55b3ad7a3ccf136b9f0596ee (diff) | |
| download | buildsystem-cd1c230244b6beb1e36f6471a89efc50ce5f6308.tar.gz buildsystem-cd1c230244b6beb1e36f6471a89efc50ce5f6308.tar.bz2 | |
Auto-detect whether C compiler is GCC and, if it is, whether it supports simultaneous compilation and dependency generation.
Add canned rules for compilers that cannot calculate dependency information.
svn path=/trunk/tools/buildsystem/; revision=7890
Diffstat (limited to 'makefiles/Makefile.tools')
| -rw-r--r-- | makefiles/Makefile.tools | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/makefiles/Makefile.tools b/makefiles/Makefile.tools index 4244163..a758970 100644 --- a/makefiles/Makefile.tools +++ b/makefiles/Makefile.tools @@ -125,14 +125,11 @@ ifeq ($(TARGET),beos) # No pkg-config PKGCONFIG ?= - GCCVER := 2 - # Default prefix PREFIX ?= /boot/home/config else ifeq ($(HOST),haiku) # Building on Haiku - GCCVER := 2 # Default prefix PREFIX ?= /boot/common @@ -249,16 +246,7 @@ ifeq ($(COMPONENT_TYPE),riscos-module) endif ############################################################################### -# Other settings -############################################################################### - -# If GCC can cope with simultaneous build & dep, do that as it's faster -ifneq ($(GCCVER),2) - CC_CAN_BUILD_AND_DEP ?= yes -endif - -############################################################################### -# Finally, override defaulted tools +# Override defaulted tools ############################################################################### # CC @@ -289,3 +277,34 @@ ifeq ($(origin AR),default) endif endif +############################################################################### +# Other settings +############################################################################### + +# Determine if the compiler is GCC and if it supports simultaneous build & dep. +ccvsn := $(shell $(CC) --version) +ifeq ($(ccvsn),) + # Version string is blank + ifeq ($(HOST),riscos) + # For some reason we never see the output of SCL apps, so assume Norcroft. + ccvsn := Norcroft + else + # Give up + $(error Failed to determine compiler and version) + endif +endif + +# "<binary name> (GCC) x.y.z (foo bar baz)" +ifeq ($(word 2,$(ccvsn)),(GCC)) + # Looks like GCC, look for version + # If the major version (x, above) is not 2, then assume build & dep. + # This will break if using a version of GCC < 2, but that's unlikely. + GCCVER := $(word 1,$(subst ., ,$(word 3, $(ccvsn)))) + ifneq ($(GCCVER),2) + CC_CAN_BUILD_AND_DEP ?= yes + endif +else + # Not GCC -- assume inability to dep + CC_CANNOT_DEP ?= yes +endif + |