[PATCH 22/30] kconfig: add CC_IS_GCC and GCC_VERSION

[Masahiro Yamada]

This will be useful to specify the required compiler version,
like this:

config FOO
bool "Use Foo"
depends on GCC_VERSION >= 408000
help
  This feature requires GCC 4.8 or newer.

Signed-off-by: Masahiro Yamada 
Reviewed-by: Kees Cook 
---

Changes in v3: None
Changes in v2: None

 init/Kconfig | 8 
 1 file changed, 8 insertions(+)

diff --git a/init/Kconfig b/init/Kconfig
index 4b0b636..145a534 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -8,6 +8,14 @@ config DEFCONFIG_LIST
default ARCH_DEFCONFIG
default "arch/$(ARCH)/defconfig"
 
+config CC_IS_GCC
+   def_bool $(success $(CC) --version | grep -q gcc)
+
+config GCC_VERSION
+   int
+   default $(shell $(srctree)/scripts/gcc-version.sh -p $(CC) | sed 
's/^0*//') if CC_IS_GCC
+   default 0
+
 config CONSTRUCTORS
bool
depends on !UML
-- 
2.7.4

[PATCH 22/30] kconfig: add CC_IS_GCC and GCC_VERSION

[Masahiro Yamada]

This will be useful to specify the required compiler version,
like this:

config FOO
bool "Use Foo"
depends on GCC_VERSION >= 408000
help
  This feature requires GCC 4.8 or newer.

Signed-off-by: Masahiro Yamada 
Reviewed-by: Kees Cook 
---

Changes in v3: None
Changes in v2: None

 init/Kconfig | 8 
 1 file changed, 8 insertions(+)

diff --git a/init/Kconfig b/init/Kconfig
index 4b0b636..145a534 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -8,6 +8,14 @@ config DEFCONFIG_LIST
default ARCH_DEFCONFIG
default "arch/$(ARCH)/defconfig"
 
+config CC_IS_GCC
+   def_bool $(success $(CC) --version | grep -q gcc)
+
+config GCC_VERSION
+   int
+   default $(shell $(srctree)/scripts/gcc-version.sh -p $(CC) | sed 
's/^0*//') if CC_IS_GCC
+   default 0
+
 config CONSTRUCTORS
bool
depends on !UML
-- 
2.7.4