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| author | Segher Boessenkool <segher@kernel.crashing.org> | 2007-05-19 18:49:07 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2007-07-16 21:15:47 +0200 |
| commit | 0ab2a272e6b55e5d58168d6983da99e2dc09b8b2 (patch) | |
| tree | 16db20cec448da4816e4c3f24f6ecf7b445e02a4 /scripts | |
| parent | f241182b51c0f26b29af40c3777f84e6033d0401 (diff) | |
| download | lwn-0ab2a272e6b55e5d58168d6983da99e2dc09b8b2.tar.gz lwn-0ab2a272e6b55e5d58168d6983da99e2dc09b8b2.zip | |
kbuild: New 'cc-fullversion' macro
Prints a six-digit string including the GCC patchlevel. Also fix
the 'usage' comment for cc-version.
Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Kbuild.include | 7 | ||||
| -rw-r--r-- | scripts/gcc-version.sh | 15 |
2 files changed, 18 insertions, 4 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 06c1a377c4c5..677bc6c175cb 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -100,9 +100,14 @@ cc-option-align = $(subst -functions=0,,\ $(call cc-option,-falign-functions=0,-malign-functions=0)) # cc-version -# Usage gcc-ver := $(call cc-version,$(CC)) +# Usage gcc-ver := $(call cc-version) cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) +# cc-fullversion +# Usage gcc-ver := $(call cc-fullversion) +cc-fullversion = $(shell $(CONFIG_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, $(CC)) $(1) $(2) ] && echo $(3)) diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh index bb4fbeab8320..8a1d1879c7ad 100644 --- a/scripts/gcc-version.sh +++ b/scripts/gcc-version.sh @@ -1,14 +1,23 @@ #!/bin/sh # -# gcc-version gcc-command +# gcc-version [-p] gcc-command # # Prints the gcc version of `gcc-command' in a canonical 4-digit form # such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc. # +# With the -p option, prints the patchlevel as well, for example `029503' for +# gcc-2.95.3, `030301' for gcc-3.3.1, etc. +# + +if [ $1 = "-p" ] ; then with_patchlevel=1; shift; fi compiler="$*" MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1) MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1) -printf "%02d%02d\\n" $MAJOR $MINOR - +if [ "x$with_patchlevel" != "x" ] ; then + PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1) + printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL +else + printf "%02d%02d\\n" $MAJOR $MINOR +fi |