configure

   1 #! /bin/sh
   2
   3 ROOTDIR=$PWD
   4 BUILDDIR=build
   5 VERBOSE=OFF
   6 COLOR=ON
   7 CCACHE=ON
   8 DEBUG=1
   9 MAKEOPT="--quiet -j$(($(grep processor /proc/cpuinfo | wc -l) + 1))"
  10 CPPFLAGS="$(llvm-config --cppflags)"
  11 CFLAGS="$CPPFLAGS -W -Wall -Wstrict-prototypes -pipe"
  12 CFLAGS="$CFLAGS -Wfloat-equal -Wundef -Wshadow -Wpointer-arith"
  13 CFLAGS="$CFLAGS -Wmissing-declarations -Wnested-externs"
  14 CFLAGS="$CFLAGS -Wmissing-prototypes"
  15 CXXFLAGS="$CPPFLAGS -W -Wall -pipe -Wundef -Wshadow -Wpointer-arith -Wabi -std=c++0x"
  16 LDFLAGS=""
  17
  18 function usage()
  19 {
  20     echo -n "usage: $0
  21   --verbose             verbose Makefiles
  22   --no-color            no colors
  23   --no-debug            disable debug
  24   --debug               enables debug
  25 "
  26     exit
  27 }
  28
  29 until [[ $# -eq 0 ]] ;
  30 do
  31     case "$1" in
  32         --verbose)
  33             VERBOSE=ON
  34             MAKEOPT="$(echo $MAKEOPT | sed s,--quiet,,g)"
  35             ;;
  36         --no-color)
  37             COLOR=OFF
  38             ;;
  39         --no-debug)
  40             DEBUG=0
  41             ;;
  42         --debug)
  43             DEBUG=1
  44             ;;
  45         --ccache)
  46             CCACHE=ON
  47             ;;
  48         --no-ccache)
  49             CCACHE=OFF
  50             ;;
  51         --build-dir)
  52             [[ $# -eq 1 ]] && { echo --build-dir requiers an argument; exit 2; }
  53             BUILDDIR="$2"
  54             shift
  55             ;;
  56         *)
  57             usage
  58             ;;
  59     esac
  60     shift
  61 done
  62
  63 if ! which ccache 2>&1 >/dev/null; then
  64     CCACHE=OFF
  65 fi
  66
  67 if [[ $DEBUG -eq 0 ]]; then
  68     CFLAGS="$CFLAGS -DNDEBUG"
  69     CXXFLAGS="$CXXFLAGS -DNDEBUG"
  70 else
  71     CFLAGS="$CFLAGS -ggdb"
  72     CXXFLAGS="$CXXFLAGS -ggdb"
  73 fi
  74
  75 if [[ $CCACHE = "ON" ]] ; then
  76     mkdir -p .ccache
  77     ln -sf $(which ccache) .ccache/g++
  78     ln -sf $(which ccache) .ccache/gcc
  79     export CC="$PWD/.ccache/gcc"
  80     export CXX="$PWD/.ccache/g++"
  81 fi
  82
  83 export CFLAGS
  84 export CXXFLAGS
  85 export LDFLAGS
  86 rm -rf $BUILDDIR
  87 mkdir $BUILDDIR &&
  88 cd $BUILDDIR &&
  89 cmake $ROOTDIR
  90 cmake \
  91     -DCMAKE_VERBOSE_MAKEFILE=$VERBOSE \
  92     -DCMAKE_COLOR_MAKEFILE=$COLOR \
  93     .
  94
  95 cd $ROOTDIR &&
  96 cat >config.mk <<EOF
  97 BUILDDIR=$BUILDDIR
  98 MAKEOPT=$MAKEOPT
  99 EOF