diff options
| author | Sami Tolvanen <samitolvanen@google.com> | 2017-11-17 15:37:42 -0800 |
|---|---|---|
| committer | Bruno Martins <bgcngm@gmail.com> | 2022-10-28 15:57:23 +0100 |
| commit | eb0ad3ae07f9b74c3ee49eefb1506a44704690ad (patch) | |
| tree | 75458d4a107c3fa0bac46cc9bdaf982b169c7090 /scripts | |
| parent | 3d01e1eba86b176412d8c962997f04e36dcb869c (diff) | |
BACKPORT: kbuild: add __cc-ifversion and compiler-specific variants
This change adds macros for testing both compiler name and
version. Current cc-version, cc-ifversion etc. macros that test
gcc version are left unchanged to prevent compatibility issues
with existing tests.
Bug: 62093296
Bug: 67506682
Change-Id: I14965fcc21dae8dfe31881b172214bf6f8a9f440
(am from https://patchwork.kernel.org/patch/10085767/)
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Dan Aloni <daloni@magicleap.com>
Signed-off-by: Davide Garberi <dade.garberi@gmail.com>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Kbuild.include | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 1112dd94b440..f955e3556942 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -148,6 +148,37 @@ cc-disable-warning = $(call try-run,\ # Expands to either gcc or clang cc-name = $(shell $(CC) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc) +# __cc-version +# Returns compiler version +__cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/$(cc-name)-version.sh $(CC)) + +# __cc-fullversion +# Returns full compiler version +__cc-fullversion = $(shell $(CONFIG_SHELL) \ + $(srctree)/scripts/$(cc-name)-version.sh -p $(CC)) + +# __cc-ifversion +# Matches compiler name and version +# Usage: EXTRA_CFLAGS += $(call cc-if-name-version, gcc, -lt, 0402, -O1) +__cc-ifversion = $(shell [ $(cc-name) = $(1) ] && [ $(__cc-version) $(2) $(3) ] && echo $(4) || echo $(5)) + +# __cc-if-fullversion +# Matches compiler name and full version +# Usage: EXTRA_CFLAGS += $(call cc-if-name-fullversion, gcc, -lt, 040502, -O1) +__cc-if-fullversion = $(shell [ $(cc-name) = $(1) ] && [ $(__cc-fullversion) $(2) $(3) ] && echo $(4) || echo $(5)) + +# gcc-ifversion +gcc-ifversion = $(call __cc-ifversion, gcc, $(1), $(2), $(3), $(4)) + +# gcc-if-fullversion +gcc-if-fullversion = (call __cc-if-fullversion, gcc, $(1), $(2), $(3), $(4)) + +# clang-ifversion +clang-ifversion = $(call __cc-ifversion, clang, $(1), $(2), $(3), $(4)) + +# clang-if-fullversion +clang-if-fullversion = (call __cc-if-fullversion, clang, $(1), $(2), $(3), $(4)) + # cc-version cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) @@ -155,9 +186,9 @@ cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) 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 [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4)) +# backward compatibility +cc-ifversion = $(gcc-ifversion) +cc-if-fullversion = $(gcc-if-fullversion) # cc-ldoption # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both) |