build.sh

   1 #!/bin/sh
   2
   3 readonly CLANG="clang -DNDEBUG -ferror-limit=1 -flto \
   4 -fvisibility=hidden -march=native -O3 -s -static -std=c11 -Werror \
   5 -Weverything -Wno-disabled-macro-expansion -Wno-reserved-id-macro"
   6
   7 readonly NEWLINE='
   8 '
   9
  10 readonly SED_SCRIPT='s_[ \t]*#include[ \t]*"\(.*\)".*_src/\1_p'
  11
  12 is_not_newer_than() {
  13         [ ! -f "$1" ] || [ -z "$(find "$1" -newer "$2")" ]
  14 }
  15
  16 mkdir -p bin/
  17 for SOURCE in src/*.c; do
  18         OBJECT="${SOURCE%.c}"
  19         OBJECT="bin${OBJECT#src}"
  20         IFS="$NEWLINE"
  21         for DEP in "$SOURCE" $(sed -n "$SED_SCRIPT" "$SOURCE"); do
  22                 if is_not_newer_than "$OBJECT" "$DEP"; then
  23                         if [ $# -eq 0 ]; then
  24                                 IFS=' '
  25                                 $CLANG -o "$OBJECT" "$SOURCE" &
  26                         else
  27                                 "$@" -o "$OBJECT" "$SOURCE" &
  28                         fi
  29                         break
  30                 fi
  31         done
  32 done
  33 ERROR=0
  34 for JOB in $(jobs -p); do
  35         wait "$JOB" || ERROR=$?
  36 done
  37 exit $ERROR