12f155f6cSGrant Likely# 22f155f6cSGrant Likely# Sed script to parse CPP macros and generate output usable by make 32f155f6cSGrant Likely# 42f155f6cSGrant Likely# It is expected that this script is fed the output of 'gpp -dM' 52f155f6cSGrant Likely# which preprocesses the common.h header files and outputs the final 62f155f6cSGrant Likely# list of CPP macros (and whitespace is sanitized) 72f155f6cSGrant Likely# 82f155f6cSGrant Likely 92f155f6cSGrant Likely# Only process values prefixed with #define CONFIG_ 1002409f8cSMarcel Moolenaar/^#define CONFIG_[A-Za-z0-9_][A-Za-z0-9_]*/ { 112f155f6cSGrant Likely # Strip the #define prefix 122f155f6cSGrant Likely s/#define *//; 132f155f6cSGrant Likely # Change to form CONFIG_*=VALUE 1402409f8cSMarcel Moolenaar s/ */=/; 152f155f6cSGrant Likely # Drop trailing spaces 162f155f6cSGrant Likely s/ *$//; 172f155f6cSGrant Likely # drop quotes around string values 182f155f6cSGrant Likely s/="\(.*\)"$/=\1/; 192f155f6cSGrant Likely # Concatenate string values 202f155f6cSGrant Likely s/" *"//g; 212bad5df7SWolfgang Denk # Assume strings as default - add quotes around values 222bad5df7SWolfgang Denk s/=\(..*\)/="\1"/; 232bad5df7SWolfgang Denk # but remove again from decimal numbers 242bad5df7SWolfgang Denk s/="\([0-9][0-9]*\)"/=\1/; 25*cd51878eSMasahiro Yamada # ... and from negative decimal numbers 26*cd51878eSMasahiro Yamada s/="\(-[1-9][0-9]*\)"/=\1/; 272bad5df7SWolfgang Denk # ... and from hex numbers 282bad5df7SWolfgang Denk s/="\(0[Xx][0-9a-fA-F][0-9a-fA-F]*\)"/=\1/; 292979b263SBenoît Thébaudeau # ... and from configs defined from other configs 302979b263SBenoît Thébaudeau s/="\(CONFIG_[A-Za-z0-9_][A-Za-z0-9_]*\)"/=$(\1)/; 312f155f6cSGrant Likely # Change '1' and empty values to "y" (not perfect, but 322f155f6cSGrant Likely # supports conditional compilation in the makefiles 332f155f6cSGrant Likely s/=$/=y/; 342f155f6cSGrant Likely s/=1$/=y/; 352f155f6cSGrant Likely # print the line 362f155f6cSGrant Likely p 372f155f6cSGrant Likely} 38