diff options
| -rw-r--r-- | Documentation/kbuild/makefiles.txt | 10 | ||||
| -rw-r--r-- | Makefile | 7 |
2 files changed, 9 insertions, 8 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index 6166e2d7da76..7a7753321a26 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -519,17 +519,17 @@ more details, with real examples. to the user why it stops. cc-cross-prefix - cc-cross-prefix is used to check if there exist a $(CC) in path with + cc-cross-prefix is used to check if there exists a $(CC) in path with one of the listed prefixes. The first prefix where there exist a prefix$(CC) in the PATH is returned - and if no prefix$(CC) is found then nothing is returned. Additional prefixes are separated by a single space in the call of cc-cross-prefix. - This functionality is usefull for architecture Makefile that try - to set CROSS_COMPILE to well know values but may have several + This functionality is useful for architecture Makefiles that try + to set CROSS_COMPILE to well-known values but may have several values to select between. - It is recommended only to try to set CROSS_COMPILE is it is a cross - build (host arch is different from target arch). And is CROSS_COMPILE + It is recommended only to try to set CROSS_COMPILE if it is a cross + build (host arch is different from target arch). And if CROSS_COMPILE is already set then leave it with the old value. Example: @@ -1505,15 +1505,16 @@ quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)) # and we build for the host arch quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) cmd_depmod = \ - if [ -r System.map -a -x $(DEPMOD) -a "$(SUBARCH)" = "$(ARCH)" ]; then \ + if [ -r System.map -a -x $(DEPMOD) ]; then \ $(DEPMOD) -ae -F System.map \ $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) -r) \ $(KERNELRELEASE); \ fi # Create temporary dir for module support files -cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR); rm -f $(MODVERDIR)/* - +# clean it up only when building all modules +cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \ + $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*) a_flags = -Wp,-MD,$(depfile) $(KBUILD_AFLAGS) $(AFLAGS_KERNEL) \ $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \ |