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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/tools/scripts/define2mk.sed | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/tools/scripts/define2mk.sed')
-rw-r--r-- | roms/u-boot/tools/scripts/define2mk.sed | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/roms/u-boot/tools/scripts/define2mk.sed b/roms/u-boot/tools/scripts/define2mk.sed new file mode 100644 index 00000000..c641edfb --- /dev/null +++ b/roms/u-boot/tools/scripts/define2mk.sed @@ -0,0 +1,35 @@ +# +# Sed script to parse CPP macros and generate output usable by make +# +# It is expected that this script is fed the output of 'gpp -dM' +# which preprocesses the common.h header files and outputs the final +# list of CPP macros (and whitespace is sanitized) +# + +# Only process values prefixed with #define CONFIG_ +/^#define CONFIG_[A-Za-z0-9_][A-Za-z0-9_]*/ { + # Strip the #define prefix + s/#define *//; + # Change to form CONFIG_*=VALUE + s/ */=/; + # Drop trailing spaces + s/ *$//; + # drop quotes around string values + s/="\(.*\)"$/=\1/; + # Concatenate string values + s/" *"//g; + # Assume strings as default - add quotes around values + s/=\(..*\)/="\1"/; + # but remove again from decimal numbers + s/="\([0-9][0-9]*\)"/=\1/; + # ... and from hex numbers + s/="\(0[Xx][0-9a-fA-F][0-9a-fA-F]*\)"/=\1/; + # ... and from configs defined from other configs + s/="\(CONFIG_[A-Za-z0-9_][A-Za-z0-9_]*\)"/=$(\1)/; + # Change '1' and empty values to "y" (not perfect, but + # supports conditional compilation in the makefiles + s/=$/=y/; + s/=1$/=y/; + # print the line + p +} |