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kbuild: clean up scripts/gcc-version.sh

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Now that the Kconfig is the only user of this script, we can drop
unneeded code.

Remove the -p option, and stop prepending the output with zero,
so that Kconfig can directly use the output from this script.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2019-03-01 16:10:22 +09:00
parent d3a918c659
commit fa7295ab69
3 changed files with 9 additions and 22 deletions
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2
init/Kconfig
View File

@ -13,7 +13,7 @@ config CC_IS_GCC
config GCC_VERSION
int
default $(shell,$(srctree)/scripts/gcc-version.sh -p $(CC) | sed 's/^0*//') if CC_IS_GCC
default $(shell,$(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC
default 0
config CC_IS_CLANG

2
scripts/Kconfig.include
View File

@ -27,4 +27,4 @@ cc-option = $(success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null)
ld-option = $(success,$(LD) -v $(1))
# gcc version including patch level
gcc-version := $(shell,$(srctree)/scripts/gcc-version.sh -p $(CC) | sed 's/^0*//')
gcc-version := $(shell,$(srctree)/scripts/gcc-version.sh $(CC))

25
scripts/gcc-version.sh
View File

@ -1,33 +1,20 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# gcc-version [-p] gcc-command
# gcc-version 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 [ "$1" = "-p" ] ; then
with_patchlevel=1;
shift;
fi
# Print the gcc version of `gcc-command' in a 5 or 6-digit form
# such as `29503' for gcc-2.95.3, `30301' for gcc-3.3.1, etc.
compiler="$*"
if [ ${#compiler} -eq 0 ]; then
echo "Error: No compiler specified."
printf "Usage:\n\t$0 <gcc-command>\n"
echo "Error: No compiler specified." >&2
printf "Usage:\n\t$0 <gcc-command>\n" >&2
exit 1
fi
MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
if [ "x$with_patchlevel" != "x" ] ; then
PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
else
printf "%02d%02d\\n" $MAJOR $MINOR
fi
printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL