bin/gccx

   1 #!/bin/sh
   2 # This file is part of NIT ( http://www.nitlanguage.org ).
   3 #
   4 # Copyright 2008 Jean Privat <jean@pryen.org>
   5 #
   6 # Licensed under the Apache License, Version 2.0 (the "License");
   7 # you may not use this file except in compliance with the License.
   8 # You may obtain a copy of the License at
   9 #
  10 #     http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 # Unless required by applicable law or agreed to in writing, software
  13 # distributed under the License is distributed on an "AS IS" BASIS,
  14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 # See the License for the specific language governing permissions and
  16 # limitations under the License.
  17
  18 # Separately recompile a bunch of c files then link them
  19
  20 OPTS="-g" # option for compiler call
  21 objs="" # List of .o files
  22 CC="gcc --ansi --pedantic -Wall -Wextra -Wformat-security -Wcast-align -Wno-uninitialized -Wno-unused-variable -Wno-unused-label -Wno-unused-parameter -Wno-missing-field-initializers" # Default compiler call
  23 ext="_savo _sav" # Default flavor to reuse
  24 out="a.out"  # Default output binary filename
  25 dir="" # Default tmp dir
  26 nolibgc="true" # Disable boehm libgc?
  27 CKSUM="cksum" # Tool that perfors checksum. cksum seems to be very portable
  28 recompile="false"
  29
  30 usage()
  31 {
  32         e=`basename "$0"`
  33         cat<<END
  34 Usage: $e [options] modulename [options for module execution]
  35 -R          Force full recompilation
  36 -O          Compile with optimizations
  37 -i          Use the intel compiler instead of gcc
  38 -I path     Add a include directory
  39 -o name     Call name the executable
  40 -d          Create temporary files in a specific directory
  41 -nolibgc    Do not include libgc
  42 -v          Verbose (show compilation steps)
  43 -vv         Verbose+ (show gcc calls)
  44 -h          This help
  45 END
  46 }
  47
  48 test_libgc() {
  49 cat > .tmp.c <<END
  50 #include <stdlib.h>
  51 #include <gc/gc.h>
  52 int main(void) {
  53         void *r = GC_malloc(1);
  54                 return r == NULL;
  55         }
  56 END
  57 gcc .tmp.c -lgc -o .tmp.bin 2> /dev/null
  58 res=$?
  59 rm .tmp.c
  60 if [ $res = 0 ]; then
  61         ./.tmp.bin
  62         res=$?
  63         rm .tmp.bin
  64 fi
  65 return $res
  66 }
  67
  68 stop=false
  69 verbose=false
  70 vverbose=false
  71 while [ $stop = false ]; do
  72         case $1 in
  73                 -R) recompile=true; shift;;
  74                 -O) OPTS="$OPTS -O2" ext="_savo"; shift;;
  75                 -i) CC="/opt/intel/cc/10.1.015/bin/icc -O2" ext="_savi"; shift;;
  76                 -I) OPTS="$OPTS -I $2"; shift; shift;;
  77                 -o) out="$2"; shift; shift;;
  78                 -d) dir="$2/"; shift; shift;;
  79                 --nolibgc) nolibgc=true; shift;;
  80                 -x) OPTS="$OPTS $2"; shift; shift;;
  81                 -vv) vverbose=true; verbose=true; shift;;
  82                 -v) verbose=true; shift;;
  83                 -h|"") usage; exit;;
  84                 *) stop=true
  85         esac
  86 done
  87
  88 if [ $nolibgc != true ] && test_libgc; then
  89         OPTS="$OPTS -DWITH_LIBGC -lgc"
  90 fi
  91
  92 for i in "$@"; do
  93         j=`basename "$i" .c`
  94         transformed=`echo "$i" | sed "
  95                 /\.nit_compile\/.*_sep\.c/s/\.nit_compile\/\(.*\)\._sep\.c/Module \1/
  96                 /\.nit_compile\/.*_glob\.c/s/\.nit_compile\/\(.*\)\._glob\.c/Module \1/
  97                 /\.nit_compile[1-9]\/.*_sep\.c/s/\.nit_compile[1-9]\/\(.*\)\._sep\.c/Module \1/
  98                 /\.nit_compile[1-9]\/.*_glob\.c/s/\.nit_compile[1-9]\/\(.*\)\._glob\.c/Module \1/
  99                 /\/nit_main\.c/s/.*\/nit_main\.c/Main/
 100                 /\.nit_compile\/.*\._tables\.c/s/.*/Tables/
 101                 /\.nit_compile[1-9]\/.*\._tables\.c/s/.*/Tables/
 102                 /\/\/.*_nit\.c/s/.*\/\/\(.*\)_nit.c/Native \1/
 103                 s/.*\/gc.c/Garbage Collector/
 104                 s/.*\/gc_static_objects_list.c/Garbage Collector object list/
 105         "`
 106
 107         found="false"
 108         # We remove starting # to be path independent (after preprocess, there are the only # remainings)
 109         cksum=`gcc -E $OPTS $i 2> /dev/null | grep -v "^#" | $CKSUM`
 110         for e in $ext; do
 111                 o="$dir$j.$e.o"
 112                 cksumfile="$dir$j.$e.cksum"
 113                 if [ -f "$cksumfile" -a -f "$o" -a "x$recompile" != "xtrue" ]; then
 114                         cksumtry=`cat $cksumfile`
 115                         if [ "x$cksum" = "x$cksumtry" ]; then
 116                                 if [ $vverbose = true  ] ; then
 117                                         echo "* $transformed up-to-date"
 118                                 fi
 119                                 found=true
 120                                 break
 121                         fi
 122                 fi
 123         done
 124         if [ $found = false ]; then
 125                 if [ $verbose = true  ] ; then
 126                         if [ $vverbose = true  ] ; then
 127                                 echo "* $CC $OPTS -c $i -o $o" >&2
 128                         else
 129                                 echo "* $transformed"
 130                         fi
 131                 fi
 132                 if $CC $OPTS -c $i -o $o; then
 133                         echo "$cksum" > "$cksumfile"
 134                 else
 135                         exit 1
 136                 fi
 137         fi
 138         objs="$objs $o"
 139 done
 140
 141 if [ $vverbose = true  ] ; then
 142         echo "* $CC $OPTS -lm $objs -o $out" >&2
 143 fi
 144 $CC $OPTS -lm $objs -o "$out"