autogen-meson.sh

   1 #!/bin/bash
   2 # configure script adapter for Meson
   3 # Based on build-api: https://github.com/cgwalters/build-api
   4 # Copyright 2010, 2011, 2013 Colin Walters <walters@verbum.org>
   5 # Copyright 2016, 2017 Emmanuele Bassi
   6 # Licensed under the new-BSD license (http://www.opensource.org/licenses/bsd-license.php)
   7
   8 # Build API variables:
   9
  10 # Little helper function for reading args from the commandline.
  11 # it automatically handles -a b and -a=b variants, and returns 1 if
  12 # we need to shift $3.
  13 read_arg() {
  14     # $1 = arg name
  15     # $2 = arg value
  16     # $3 = arg parameter
  17     local rematch='^[^=]*=(.*)$'
  18     if [[ $2 =~ $rematch ]]; then
  19         read "$1" <<< "${BASH_REMATCH[1]}"
  20     else
  21         read "$1" <<< "$3"
  22         # There is no way to shift our callers args, so
  23         # return 1 to indicate they should do it instead.
  24         return 1
  25     fi
  26 }
  27
  28 sanitycheck() {
  29     # $1 = arg name
  30     # $1 = arg command
  31     # $2 = arg alternates
  32     local cmd=$( which $2 2>/dev/null )
  33
  34     if [ -x "$cmd" ]; then
  35         read "$1" <<< "$cmd"
  36         return 0
  37     fi
  38
  39     test -z $3 || {
  40         for alt in $3; do
  41             cmd=$( which $alt 2>/dev/null )
  42
  43             if [ -x "$cmd" ]; then
  44                 read "$1" <<< "$cmd"
  45                 return 0
  46             fi
  47         done
  48     }
  49
  50     echo -e "\e[1;31mERROR\e[0m: Command '$2' not found"
  51     exit 1
  52 }
  53
  54 sanitycheck MESON 'meson'
  55 sanitycheck NINJA 'ninja' 'ninja-build'
  56
  57 declare -a enables[0]
  58
  59 while (($# > 0)); do
  60     case "${1%%=*}" in
  61         --prefix) read_arg prefix "$@" || shift;;
  62         --bindir) read_arg bindir "$@" || shift;;
  63         --sbindir) read_arg sbindir "$@" || shift;;
  64         --libexecdir) read_arg libexecdir "$@" || shift;;
  65         --datarootdir) read_arg datarootdir "$@" || shift;;
  66         --datadir) read_arg datadir "$@" || shift;;
  67         --sysconfdir) read_arg sysconfdir "$@" || shift;;
  68         --libdir) read_arg libdir "$@" || shift;;
  69         --mandir) read_arg mandir "$@" || shift;;
  70         --includedir) read_arg includedir "$@" || shift;;
  71         --enable-*) enables+=("-D${1/--enable-/}=true");;
  72         --disable-*) enables+=("-D${1/--disable-/}=false");;
  73         *) echo -e "\e[1;33mINFO\e[0m: Ignoring unknown option '$1'";;
  74     esac
  75     shift
  76 done
  77
  78 # Defaults
  79 test -z ${prefix} && prefix="/usr/local"
  80 test -z ${bindir} && bindir=${prefix}/bin
  81 test -z ${sbindir} && sbindir=${prefix}/sbin
  82 test -z ${libexecdir} && libexecdir=${prefix}/bin
  83 test -z ${datarootdir} && datarootdir=${prefix}/share
  84 test -z ${datadir} && datadir=${datarootdir}
  85 test -z ${sysconfdir} && sysconfdir=${prefix}/etc
  86 test -z ${libdir} && libdir=${prefix}/lib
  87 test -z ${mandir} && mandir=${prefix}/share/man
  88 test -z ${includedir} && includedir=${prefix}/include
  89
  90 # The source directory is the location of this file
  91 srcdir=$(dirname $0)
  92
  93 # The build directory is the current location
  94 builddir=`pwd`
  95
  96 # If we're calling this file from the source directory then
  97 # we automatically create a build directory and ensure that
  98 # both Meson and Ninja invocations are relative to that
  99 # location
 100 if [[ -f "${builddir}/meson.build" ]]; then
 101   mkdir -p _build
 102   builddir="${builddir}/_build"
 103   NINJA_OPT="-C ${builddir}"
 104 fi
 105
 106 # Wrapper Makefile for Ninja
 107 cat > Makefile <<END
 108 # Generated by configure; do not edit
 109
 110 all:
 111         CC="\$(CC)" CXX="\$(CXX)" ${NINJA} ${NINJA_OPT}
 112
 113 install:
 114         DESTDIR="\$(DESTDIR)" ${NINJA} ${NINJA_OPT} install
 115
 116 check:
 117         ${MESON} test ${NINJA_OPT}
 118 END
 119
 120 echo "Summary:"
 121 echo "  meson:....... ${MESON}"
 122 echo "  ninja:....... ${NINJA}"
 123 echo "  prefix:...... ${prefix}"
 124 echo "  bindir:...... ${bindir}"
 125 echo "  sbindir:..... ${sbindir}"
 126 echo "  libexecdir:.. ${libexecdir}"
 127 echo "  datarootdir:. ${datarootdir}"
 128 echo "  datadir:..... ${datadir}"
 129 echo "  sysconfdir:.. ${sysconfdir}"
 130 echo "  libdir:...... ${libdir}"
 131 echo "  mandir:...... ${mandir}"
 132 echo "  includedir:.. ${includedir}"
 133 echo "  extra:        ${enables[@]}"
 134
 135 exec ${MESON} \
 136         --prefix=${prefix} \
 137         --libdir=${libdir} \
 138         --libexecdir=${libexecdir} \
 139         --datadir=${datadir} \
 140         --sysconfdir=${sysconfdir} \
 141         --bindir=${bindir} \
 142         --includedir=${includedir} \
 143         --mandir=${mandir} \
 144         --default-library shared \
 145         "${enables[@]}" \
 146         ${builddir} \
 147         ${srcdir}
 148
 149 # vim: ai ts=8 noet sts=2 ft=sh