scripts/patch-specs.sh

   1 #!/usr/bin/env bash
   2
   3 DIR="$1"
   4 FOUND=0
   5
   6 if [ -d "$DIR" ]; then
   7         DIR="$(cd "$DIR"; pwd)"
   8 else
   9         echo "Usage: $0 toolchain-dir"
  10         exit 1
  11 fi
  12
  13 echo -n "Locating cpp ... "
  14 for bin in bin usr/bin usr/local/bin; do
  15         for cmd in "$DIR/$bin/"*-cpp; do
  16                 if [ -x "$cmd" ]; then
  17                         echo "$cmd"
  18                         CPP="$cmd"
  19                         break
  20                 fi
  21         done
  22 done
  23
  24 if [ ! -x "$CPP" ]; then
  25         echo "Can't locate a cpp executable in '$DIR' !"
  26         exit 1
  27 fi
  28
  29 for lib in $(STAGING_DIR="$dir" "$CPP" -x c -v /dev/null 2>&1 | sed -ne 's#:# #g; s#^LIBRARY_PATH=##p'); do
  30         if [ -d "$lib" ]; then
  31                 grep -qs "STAGING_DIR" "$lib/specs" && rm -f "$lib/specs"
  32                 if [ $FOUND -lt 1 ]; then
  33                         echo -n "Patching specs ... "
  34                         STAGING_DIR="$dir" "$CPP" -dumpspecs | awk '
  35                                 mode ~ "link" {
  36                                         sub("%{L.}", "%{L*} -L %:getenv(STAGING_DIR /usr/lib) -rpath-link %:getenv(STAGING_DIR /usr/lib)")
  37                                 }
  38                                 mode ~ "cpp" {
  39                                         $0 = $0 " -idirafter %:getenv(STAGING_DIR /usr/include)"
  40                                 }
  41                                 {
  42                                         print $0
  43                                         mode = ""
  44                                 }
  45                                 /^\*cpp:/ {
  46                                         mode = "cpp"
  47                                 }
  48                                 /^\*link.*:/ {
  49                                         mode = "link"
  50                                 }
  51                         ' > "$lib/specs"
  52                         echo "ok"
  53                         FOUND=1
  54                 fi
  55         fi
  56 done
  57
  58 if [ $FOUND -lt 1 ]; then
  59         echo "Failed to locate library directory!"
  60         exit 1
  61 else
  62         echo "Toolchain successfully patched."
  63         exit 0
  64 fi