Re: [PATCH 2/6] kbuild: do not add $(call ...) to invoke cc-version or cc-fullversion

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On 12/25/2014 06:31 AM, Masahiro Yamada wrote:
The macros cc-version, cc-fullversion and ld-version take no argument.
It is not necessary to add $(call ...) to invoke them.

Signed-off-by: Masahiro Yamada <yamada.m@xxxxxxxxxxxxxxxx>
---

  Documentation/kbuild/makefiles.txt | 4 ++--
  arch/parisc/Makefile               | 2 +-

For the parisc change:
Acked-by: Helge Deller <deller@xxxxxx>


Helge

  arch/powerpc/Makefile              | 6 +++---
  arch/x86/Makefile.um               | 2 +-
  kernel/gcov/Makefile               | 2 +-
  scripts/Kbuild.include             | 7 ++-----
  6 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index a311db8..7b3487a 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -524,7 +524,7 @@ more details, with real examples.
  	Example:
  		#arch/x86/Makefile
  		cflags-y += $(shell \
-		if [ $(call cc-version) -ge 0300 ] ; then \
+		if [ $(cc-version) -ge 0300 ] ; then \
  			echo "-mregparm=3"; fi ;)

  	In the above example, -mregparm=3 is only used for gcc version greater
@@ -552,7 +552,7 @@ more details, with real examples.

  	Example:
  		#arch/powerpc/Makefile
-		$(Q)if test "$(call cc-fullversion)" = "040200" ; then \
+		$(Q)if test "$(cc-fullversion)" = "040200" ; then \
  			echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \
  			false ; \
  		fi
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index e9b4b6a..ff5e55f 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -149,7 +149,7 @@ endef
  # we require gcc 3.3 or above to compile the kernel
  archprepare: checkbin
  checkbin:
-	@if test "$(call cc-version)" -lt "0303"; then \
+	@if test "$(cc-version)" -lt "0303"; then \
  		echo -n "Sorry, GCC v3.3 or above is required to build " ; \
  		echo "the kernel." ; \
  		false ; \
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 132d9c6..fc502e0 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -314,7 +314,7 @@ TOUT	:= .tmp_gas_check
  # - Require gcc 4.0 or above on 64-bit
  # - gcc-4.2.0 has issues compiling modules on 64-bit
  checkbin:
-	@if test "$(call cc-version)" = "0304" ; then \
+	@if test "$(cc-version)" = "0304" ; then \
  		if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \
  			echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \
  			echo 'correctly with gcc-3.4 and your version of binutils.'; \
@@ -322,13 +322,13 @@ checkbin:
  			false; \
  		fi ; \
  	fi
-	@if test "$(call cc-version)" -lt "0400" \
+	@if test "$(cc-version)" -lt "0400" \
  	    && test "x${CONFIG_PPC64}" = "xy" ; then \
                  echo -n "Sorry, GCC v4.0 or above is required to build " ; \
                  echo "the 64-bit powerpc kernel." ; \
                  false ; \
          fi
-	@if test "$(call cc-fullversion)" = "040200" \
+	@if test "$(cc-fullversion)" = "040200" \
  	    && test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \
  		echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \
  		echo 'kernel with modules enabled.' ; \
diff --git a/arch/x86/Makefile.um b/arch/x86/Makefile.um
index 36b62bc..95eba55 100644
--- a/arch/x86/Makefile.um
+++ b/arch/x86/Makefile.um
@@ -30,7 +30,7 @@ cflags-y += -ffreestanding
  # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
  # a lot more stack due to the lack of sharing of stacklots.  Also, gcc
  # 4.3.0 needs -funit-at-a-time for extern inline functions.
-KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
+KBUILD_CFLAGS += $(shell if [ $(cc-version) -lt 0400 ] ; then \
  			echo $(call cc-option,-fno-unit-at-a-time); \
  			else echo $(call cc-option,-funit-at-a-time); fi ;)

diff --git a/kernel/gcov/Makefile b/kernel/gcov/Makefile
index 52aa7e8..6f01fa3 100644
--- a/kernel/gcov/Makefile
+++ b/kernel/gcov/Makefile
@@ -21,7 +21,7 @@ else
  # is not available. We can probably move if-lt to Kbuild.include, so it's also
  # not defined during clean or to include Kbuild.include in
  # scripts/Makefile.clean. But the following workaround seems least invasive.
-  cc-ver := $(if $(call cc-version),$(call cc-version),0)
+  cc-ver := $(if $(cc-version),$(cc-version),0)
  endif

  obj-$(CONFIG_GCOV_KERNEL) := base.o fs.o
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index a972666..69c9f57 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -136,17 +136,15 @@ cc-disable-warning = $(call try-run,\
  	$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))

  # cc-version
-# Usage gcc-ver := $(call cc-version)
  cc-version = $(shell $(KBUILD_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))

  # cc-fullversion
-# Usage gcc-ver := $(call cc-fullversion)
  cc-fullversion = $(shell $(KBUILD_SHELL) \
  	$(srctree)/scripts/gcc-version.sh -p $(CC))

  # cc-ifversion
  # Usage:  EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
-cc-ifversion = $(shell [ $(call cc-version) $(1) $(2) ] && echo $(3))
+cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3))

  # cc-ldoption
  # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both)
@@ -164,13 +162,12 @@ ld-option = $(call try-run,\
  ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2))

  # ld-version
-# Usage: $(call ld-version)
  # Note this is mainly for HJ Lu's 3 number binutil versions
  ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh)

  # ld-ifversion
  # Usage:  $(call ld-ifversion, -ge, 22252, y)
-ld-ifversion = $(shell [ $(call ld-version) $(1) $(2) ] && echo $(3))
+ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3))

  ######




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