Messages in this thread Patch in this message | | | Date | Sun, 3 Jun 2007 22:46:03 +0200 | From | Sam Ravnborg <> | Subject | [PATCH 05/19] kbuild: document cc-fullversion |
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Subject: [PATCH 05/19] kbuild: document cc-fullversion From: Sam Ravnborg <sam@ravnborg.org> Date: Mon, 28 May 2007 22:26:55 +0200
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> --- Documentation/kbuild/makefiles.txt | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index bb5306e..c6d9a35 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -501,6 +501,20 @@ more details, with real examples. The third parameter may be a text as in this example, but it may also be an expanded variable or a macro. + cc-fullversion + cc-fullversion is usefull when the exact version of gcc is needed. + One typical use-case is when a specific GCC version is broken. + cc-fullversion points out a more specific version than cc-version does. + + Example: + #arch/powerpc/Makefile + $(Q)if test "$(call cc-fullversion)" = "040200" ; then \ + echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \ + false ; \ + fi + + In this example for a specific GCC version the build will error out explaining + the user why it stops. === 4 Host Program support -- 1.5.1.rc3.1544.g8a923
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