| [a7de7182] | 1 | -*- Autoconf -*-
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| 2 | # Process this file with autoconf to produce a configure script.
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| 3 |
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| 4 | AC_PREREQ(2.59)
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| 5 | AC_INIT([pcc], [1.0.0.RELEASE], <pcc-list@ludd.ltu.se>)
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| 6 | AC_CONFIG_HEADER([config.h])
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| 7 |
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| 8 | AC_CANONICAL_TARGET
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| 9 |
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| 10 | abi=unknown
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| 11 | endian=little
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| 12 | targosver=0
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| 13 | tls=no
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| 14 | gcccompat=yes
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| 15 | # allowed: UNSIGNED (4-char u_int), INT (4-char int), SHORT (2-char u_short)
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| 16 | wchar_type=INT
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| 17 |
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| 18 | case "$target_os" in
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| 19 |
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| 20 | apple)
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| 21 | targos=apple
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| 22 | abi=classic68k
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| 23 | case "$target_cpu" in
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| 24 | m68k) targmach=m68k endian=big ;;
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| 25 | esac
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| 26 | ;;
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| 27 |
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| 28 | bsd)
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| 29 | targos=bsd
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| 30 | abi=aout
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| 31 | targmach=pdp11
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| 32 | wchar_type=USHORT
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| 33 | ;;
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| 34 |
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| 35 | darwin*)
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| 36 | targos=darwin
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| 37 | abi=macho
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| 38 | case "$target_os" in
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| 39 | *10.*) targosver=10 ;;
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| 40 | *9.*) targosver=9 ;;
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| 41 | *8.*) targosver=8 ;;
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| 42 | *7.*) targosver=7 ;;
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| 43 | esac
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| 44 | case "$target_cpu" in
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| 45 | i?86) targmach=i386 ;;
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| 46 | powerpc) targmach=powerpc endian=big ;;
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| 47 | x86_64) targmach=amd64 ;;
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| 48 | esac
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| 49 | ;;
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| 50 |
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| 51 | dragonfly*)
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| 52 | targos=dragonfly
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| 53 | abi=elf
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| 54 | tls=yes
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| 55 | case "$target_cpu" in
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| 56 | i?86) targmach=i386 ;;
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| 57 | x86_64) targmach=amd64 ;;
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| 58 | esac
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| 59 | ;;
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| 60 |
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| 61 | freebsd*)
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| 62 | targos=freebsd
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| 63 | abi=elf
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| 64 | case "$target_os" in
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| 65 | *9.*) targosver=9 ;;
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| 66 | *8.*) targosver=8 ;;
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| 67 | *7.*) targosver=7 ;;
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| 68 | *6.*) targosver=6 ;;
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| 69 | *5.*) targosver=5 ;;
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| 70 | *4.*) targosver=4 ;;
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| 71 | esac
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| 72 | case "$target_cpu" in
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| 73 | i386) targmach=i386 ;;
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| 74 | x86_64) targmach=amd64 ;;
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| 75 | esac
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| 76 | ;;
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| 77 |
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| 78 | linux*)
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| 79 | targos=linux
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| 80 | abi=elf
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| 81 | case "$target_cpu" in
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| 82 | i?86) targmach=i386 ;;
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| 83 | powerpc*) targmach=powerpc endian=big ;;
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| 84 | x86_64) targmach=amd64 ;;
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| 85 | mipseb) targmach=mips endian=big ;;
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| 86 | mips*) targmach=mips ;;
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| 87 | esac
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| 88 | ;;
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| 89 |
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| 90 | midnightbsd*)
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| 91 | targos=midnightbsd
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| 92 | abi=elf
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| 93 | case "$target_cpu" in
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| 94 | i?86) targmach=i386 ;;
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| 95 | sparc64) targmach=sparc64 endian=big ;;
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| 96 | esac
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| 97 | ;;
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| 98 |
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| 99 | mingw*)
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| 100 | targos=win32
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| 101 | abi=pecoff
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| 102 | wchar_type=USHORT
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| 103 | targmach=i386
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| 104 | altincdir="c:/mingw/include"
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| 105 | altlibdir="c:/mingw/lib"
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| 106 | ;;
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| 107 |
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| 108 | minix)
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| 109 | targos=minix
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| 110 | abi=coff
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| 111 | case "$target_cpu" in
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| 112 | m68k) targmach=m68k endian=big ;;
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| 113 | esac
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| 114 | ;;
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| 115 |
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| 116 | mirbsd*)
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| 117 | targos=mirbsd
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| 118 | abi=elf
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| 119 | wchar_type=USHORT
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| 120 | case "$target_cpu" in
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| 121 | i?86) targmach=i386 ;;
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| 122 | esac
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| 123 | ;;
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| 124 |
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| 125 | netbsd*)
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| 126 | targos=netbsd
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| 127 | abi=elf
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| 128 | case "$target_os" in
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| 129 | *5.*) targosver=5 ;;
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| 130 | *4.*) targosver=4 ;;
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| 131 | *3.*) targosver=3 ;;
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| 132 | *2.*) targosver=2 ;;
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| 133 | *1.*) targosver=1 ;;
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| 134 | esac
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| 135 | case "$target_cpu" in
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| 136 | armeb) targmach=arm endian=big ;;
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| 137 | arm*) targmach=arm ;;
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| 138 | i?86) targmach=i386 ;;
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| 139 | m68k*) targmach=m68k endian=big ;;
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| 140 | mipseb) targmach=mips endian=big ;;
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| 141 | mips*) targmach=mips ;;
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| 142 | pdp10) targmach=pdp10 ;;
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| 143 | powerpc) targmach=powerpc endian=big ;;
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| 144 | sparc64) targmach=sparc64 endian=big ;;
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| 145 | vax) targmach=vax ;;
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| 146 | x86_64) targmach=amd64 ;;
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| 147 | esac
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| 148 | ;;
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| 149 |
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| 150 | nextstep*)
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| 151 | targos=nextstep
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| 152 | abi=macho
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| 153 | case "$target_cpu" in
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| 154 | i?86) targmach=i386 ;;
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| 155 | sparc) targmach=sparc endian=big ;;
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| 156 | hppa) targmach=hppa endian=big ;;
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| 157 | esac
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| 158 | ;;
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| 159 |
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| 160 | openbsd*)
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| 161 | targos=openbsd
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| 162 | abi=elf
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| 163 | case "$target_cpu" in
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| 164 | i?86) targmach=i386 ;;
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| 165 | vax) targmach=vax ;;
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| 166 | powerpc) targmach=powerpc endian=big ;;
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| 167 | sparc64) targmach=sparc64 endian=big ;;
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| 168 | x86_64) targmach=amd64 ;;
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| 169 | esac
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| 170 | ;;
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| 171 |
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| 172 | sunos*|solaris*)
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| 173 | targos=sunos
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| 174 | abi=elf
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| 175 | case "$target_cpu" in
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| 176 | i?86) targmach=i386 ;;
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| 177 | sparc*) targmach=sparc64 endian=big ;;
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| 178 | esac
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| 179 | ;;
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| 180 |
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| 181 | windows*|pe*)
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| 182 | target_alias=i386-pe
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| 183 | targos=win32
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| 184 | abi=pecoff
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| 185 | wchar_type=USHORT
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| 186 | targmach=i386
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| 187 | ;;
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| 188 |
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| 189 | *)
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| 190 | targos="$target_os"
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| 191 | case "$target_cpu" in
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| 192 | m16c) targmach=m16c ;;
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| 193 | nova) targmach=nova ;;
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| 194 | esac
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| 195 | ;;
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| 196 | esac
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| 197 |
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| 198 | if test "X$targos" = X -o "X$targmach" = X ; then
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| 199 | AC_MSG_ERROR(['$target' is not (yet) supported by pcc.])
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| 200 | fi
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| 201 |
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| 202 | case "$host_os" in
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| 203 |
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| 204 | pe*)
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| 205 | # quick hack for cross-build to win32 host
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| 206 | if "$prefix" = NONE; then
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| 207 | prefix="c:/pcc"
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| 208 | assembler="yasm.exe -p gnu -f win32"
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| 209 | linker="link.exe /nologo"
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| 210 | ADD_CFLAGS=-DMSLINKER
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| 211 | fi
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| 212 | ;;
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| 213 |
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| 214 | sunos*|solaris*)
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| 215 | ADD_CPPFLAGS="$ADD_CPPFLAGS -D_XOPEN_SOURCE=600"
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| 216 | ;;
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| 217 |
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| 218 | darwin*)
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| 219 | if test "$targosver" -ge 10 ; then
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| 220 | targmach=amd64
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| 221 | fi
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| 222 | ;;
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| 223 |
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| 224 | esac
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| 225 |
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| 226 | if test "X$endian" = "Xbig" ; then
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| 227 | AC_DEFINE(TARGET_BIG_ENDIAN, 1,
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| 228 | [Define if target defaults to BIG endian])
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| 229 | else
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| 230 | AC_DEFINE(TARGET_LITTLE_ENDIAN, 1,
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| 231 | [Define if target defaults to LITTLE endian])
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| 232 | fi
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| 233 |
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| 234 | case "$abi" in
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| 235 | elf*) AC_DEFINE(ELFABI, [], [Using ELF ABI]) ;;
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| 236 | aout) AC_DEFINE(AOUTABI, [], [Using a.out ABI]) ;;
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| 237 | macho) AC_DEFINE(MACHOABI, [], [Using Mach-O ABI]) ;;
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| 238 | coff) AC_DEFINE(COFFABI, [], [Using COFF ABI]) ;;
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| 239 | ecoff) AC_DEFINE(ECOFFABI, [], [Using ECOFF ABI]) ;;
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| 240 | pecoff) AC_DEFINE(PECOFFABI, [], [Using PE/COFF ABI]) ;;
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| 241 | classic68k) AC_DEFINE(CLASSIC68K, [], [Using Classic 68k ABI]) ;;
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| 242 | esac
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| 243 |
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| 244 | # Specify alternate assembler, linker, include and lib paths
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| 245 | AC_ARG_WITH(incdir,
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| 246 | AC_HELP_STRING([--with-incdir=<path>],
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| 247 | [Specify the default include path.]),
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| 248 | altincdir=$withval,
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| 249 | [])
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| 250 | AC_ARG_WITH(libdir,
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| 251 | AC_HELP_STRING([--with-libdir=<path>],
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| 252 | [Specify the default library path.]),
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| 253 | altlibdir=$withval,
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| 254 | [])
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| 255 | AC_ARG_WITH(assembler,
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| 256 | AC_HELP_STRING([--with-assembler=<path>],
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| 257 | [Specify alternate assember.]),
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| 258 | assembler=$withval,
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| 259 | [])
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| 260 | AC_ARG_WITH(linker,
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| 261 | AC_HELP_STRING([--with-linker=<path>],
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| 262 | [Specify alternate linker.]),
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| 263 | linker=$withval,
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| 264 | [])
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| 265 | AC_ARG_ENABLE(tls,
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| 266 | AC_HELP_STRING([--enable-tls],
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| 267 | [Enable Thread-local storage (TLS).]),
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| 268 | [tls=$enableval], [])
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| 269 | if test "$tls" = "yes"; then
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| 270 | AC_DEFINE(TLS, 1, [Enable thread-local storage (TLS).])
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| 271 | fi
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| 272 | AC_ARG_ENABLE(gcc-compat,
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| 273 | AC_HELP_STRING([--disable-gcc-compat],
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| 274 | [Disable GCC compatibility]),
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| 275 | [gcccompat=$enableval], [])
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| 276 | if test "$gcccompat" = "yes"; then
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| 277 | ADD_CPPFLAGS="$ADD_CPPFLAGS -DGCC_COMPAT";
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| 278 | fi
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| 279 |
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| 280 | # setup for building a cross-compiler
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| 281 | if test "X$target_alias" = "X$host_alias" -o "X$target_alias" = "X"; then
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| 282 | BINPREFIX=""
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| 283 | else
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| 284 | BINPREFIX="${target_alias}-"
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| 285 | test "X$prefix" = XNONE && prefix="$ac_default_prefix"
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| 286 | test "X$exec_prefix" = XNONE && exec_prefix="${prefix}"
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| 287 | if test -z "$altincdir"; then
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| 288 | altincdir=${exec_prefix}/${target_alias}/include
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| 289 | fi
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| 290 | if test -z "$altlibdir"; then
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| 291 | altlibdir=${exec_prefix}/${target_alias}/lib
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| 292 | fi
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| 293 | if test -z "$assembler"; then
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| 294 | assembler=${BINPREFIX}as
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| 295 | fi
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| 296 | if test -z "$linker"; then
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| 297 | linker=${BINPREFIX}ld
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| 298 | fi
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| 299 | preprocessor="${BINPREFIX}cpp"
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| 300 | compiler="${BINPREFIX}ccom"
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| 301 | fi
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| 302 | AC_SUBST(BINPREFIX)
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| 303 |
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| 304 | if test -n "$altincdir"; then
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| 305 | AC_DEFINE_UNQUOTED(STDINC, "$altincdir",
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| 306 | [Define alternate standard include directory])
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| 307 | fi
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| 308 | if test -n "$altlibdir"; then
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| 309 | AC_DEFINE_UNQUOTED(LIBDIR, "${altlibdir}/",
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| 310 | [Define alternate standard lib directory])
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| 311 | fi
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| 312 | if test -n "$assembler"; then
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| 313 | AC_DEFINE_UNQUOTED(ASSEMBLER, "$assembler",
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| 314 | [Define path to alternate assembler])
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| 315 | fi
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| 316 | if test -n "$linker"; then
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| 317 | AC_DEFINE_UNQUOTED(LINKER, "$linker",
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| 318 | [Define path to alternate linker])
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| 319 | fi
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| 320 | if test -n "$preprocessor"; then
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| 321 | AC_DEFINE_UNQUOTED(PREPROCESSOR, "${BINPREFIX}cpp",
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| 322 | [Define path to alternate preprocessor])
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| 323 | fi
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| 324 | if test -n "$compiler"; then
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| 325 | AC_DEFINE_UNQUOTED(COMPILER, "${BINPREFIX}ccom",
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| 326 | [Define path to alternate compiler])
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| 327 | fi
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| 328 |
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| 329 | case $wchar_type in
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| 330 | USHORT) wchar_size=2 ;;
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| 331 | UNSIGNED|INT) wchar_size=4 ;;
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| 332 | *) AC_MSG_ERROR([Unknown wchar_t '$wchar_type'.]) ;;
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| 333 | esac
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| 334 |
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| 335 | AC_DEFINE_UNQUOTED(WCHAR_TYPE, $wchar_type, [Type to use for wide characters])
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| 336 | AC_DEFINE_UNQUOTED(WCHAR_SIZE, $wchar_size, [Size of wide character type in chars])
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| 337 |
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| 338 | # check for additional compiler flags
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| 339 | AC_PROG_CC
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| 340 | DESIRED_FLAGS="-Wall -Wmissing-prototypes -Wstrict-prototypes -Wshadow -Wsign-compare -Wtruncate"
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| 341 | for flag in $DESIRED_FLAGS
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| 342 | do
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| 343 | AC_MSG_CHECKING([whether $CC accepts $flag])
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| 344 | AC_LANG_CONFTEST([int main() { return 0; }])
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| 345 | $CC $CFLAGS $flag -c conftest.c > /dev/null 2> /dev/null
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| 346 | if test $? = 0 ; then
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| 347 | ADD_CFLAGS="$ADD_CFLAGS $flag"
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| 348 | AC_MSG_RESULT([yes]);
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| 349 | else
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| 350 | AC_MSG_RESULT([no]);
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| 351 | fi
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| 352 | rm -f conftest.o
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| 353 | done
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| 354 |
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| 355 | # setup for cross-compiling mkext
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| 356 | AC_MSG_CHECKING([for a C compiler for mkext])
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| 357 | if test $cross_compiling = yes; then
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| 358 | AC_MSG_RESULT([cross compiling])
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| 359 | AC_CHECK_PROGS(CC_FOR_BUILD, [pcc gcc cc])
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| 360 | else
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| 361 | AC_MSG_RESULT([not cross compiling])
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| 362 | CC_FOR_BUILD=${CC-cc}
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| 363 | AC_SUBST(CC_FOR_BUILD)
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| 364 | fi
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| 365 |
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| 366 | AC_CACHE_CHECK([for C99 printf size specifiers], ac_have_c99_format, [
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| 367 | AC_RUN_IFELSE([
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| 368 | AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [[
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| 369 | char buf[64];
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| 370 | if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
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| 371 | exit(1);
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| 372 | else if (strcmp(buf, "12345"))
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| 373 | exit(2);
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| 374 | ]])],
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| 375 | [ ac_have_c99_format=yes ],
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| 376 | [ ac_have_c99_format=no ],
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| 377 | [ ac_have_c99_format=yes ])
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| 378 | ])
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| 379 | if test $ac_have_c99_format = yes; then
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| 380 | AC_DEFINE([HAVE_C99_FORMAT], 1,
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| 381 | [Define to 1 if printf supports C99 size specifiers])
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| 382 | fi
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| 383 |
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| 384 | AC_CACHE_CHECK([for C99 variadic macro support], ac_have_variadic, [
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| 385 | AC_COMPILE_IFELSE([
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| 386 | #define macro(...) func(__VA_ARGS__)
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| 387 | int func(int a, ...);
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| 388 | int test() { return macro(1, 2, 3); }
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| 389 | ], [ ac_have_variadic=yes ], [ ac_have_variadic=no ])])
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| 390 | if test $ac_have_variadic = yes ; then
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| 391 | AC_DEFINE([HAVE_CPP_VARARG_MACRO_GCC], 1,
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| 392 | [Define to 1 if your compiler supports C99 variadic macros])
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| 393 | fi
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| 394 |
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| 395 | # Byteorder of host
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| 396 | AC_C_BIGENDIAN([AC_DEFINE(HOST_BIG_ENDIAN,[],[Define if host is BIG endian])],
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| 397 | [AC_DEFINE(HOST_LITTLE_ENDIAN,[],[Define if host is LITTLE endian])],
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| 398 | [],[])
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| 399 |
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| 400 |
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| 401 | # Checks for programs.
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| 402 | AC_PROG_MAKE_SET
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| 403 | AC_PROG_INSTALL
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| 404 | AC_PROG_YACC
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| 405 | AC_CHECK_PROG(strip,strip,yes,no)
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| 406 |
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| 407 | AC_PROG_LEX
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| 408 | if test "$LEX" = flex ; then
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| 409 | AC_DEFINE_UNQUOTED(ISFLEX, 1, [lex is flex])
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| 410 | fi
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| 411 |
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| 412 | # Checks for libraries.
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| 413 |
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| 414 | # Checks for header files.
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| 415 | # AC_CHECK_HEADERS([fcntl.h stdlib.h string.h unistd.h])
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| 416 | AC_CHECK_HEADERS([string.h malloc.h libgen.h])
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| 417 | AC_HEADER_SYS_WAIT
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| 418 |
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| 419 | # Checks for library functions.
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| 420 | ## AC_FUNC_STRTOD
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| 421 | # AC_FUNC_VPRINTF
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| 422 | # AC_CHECK_FUNCS([memset strchr strdup strrchr strtol])
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| 423 | AC_CHECK_FUNCS([strtold vsnprintf snprintf mkstemp strlcat strlcpy basename getopt ffs vfork])
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| 424 |
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| 425 | AC_EXEEXT
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| 426 |
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| 427 | AC_SUBST(targos)
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| 428 | AC_SUBST(targosver)
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| 429 | AC_SUBST(targmach)
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| 430 | AC_SUBST(prefix)
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| 431 | AC_SUBST(exec_prefix)
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| 432 | AC_SUBST(libexecdir)
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| 433 | AC_SUBST(includedir)
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| 434 | AC_SUBST(strip)
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| 435 | AC_SUBST(PACKAGE_VERSION)
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| 436 | AC_SUBST(ADD_CFLAGS)
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| 437 | AC_SUBST(ADD_CPPFLAGS)
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| 438 |
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| 439 | pcc_major=`echo $PACKAGE_VERSION | awk -F. '{print $1}'`
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| 440 | pcc_minor=`echo $PACKAGE_VERSION | awk -F. '{print $2}'`
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| 441 | pcc_minorminor=`echo $PACKAGE_VERSION | awk -F. '{print $3}'`
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| 442 | versstr="\"$PACKAGE_STRING `cat $srcdir/DATESTAMP` for $target, $USER@`hostname`\""
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| 443 |
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| 444 | AC_DEFINE_UNQUOTED(TARGOS, $targos, [Target OS])
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| 445 | AC_DEFINE_UNQUOTED(TARGOSVER, $targosver, [Target OS version])
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| 446 | AC_DEFINE_UNQUOTED(PCC_MAJOR, $pcc_major, [Major version no])
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| 447 | AC_DEFINE_UNQUOTED(PCC_MINOR, $pcc_minor, [Minor version no])
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| 448 | AC_DEFINE_UNQUOTED(PCC_MINORMINOR, $pcc_minorminor, [Minor minor version no])
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| 449 | AC_DEFINE_UNQUOTED(VERSSTR, $versstr, [Version string])
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| 450 |
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| 451 | AC_CONFIG_FILES([Makefile
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| 452 | cc/Makefile
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| 453 | cc/cc/Makefile
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| 454 | cc/cpp/Makefile
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| 455 | cc/ccom/Makefile
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| 456 | f77/Makefile
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| 457 | f77/f77/Makefile
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| 458 | f77/fcom/Makefile
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| 459 | ])
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| 460 | AC_OUTPUT
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| 461 |
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| 462 | eval "exec_prefix=$exec_prefix"
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| 463 | eval "bindir=$bindir"
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| 464 | eval "libexecdir=$libexecdir"
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| 465 |
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| 466 | echo
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| 467 | echo "Target CPU is .................... ${targmach}"
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| 468 | echo "Target ABI is .................... ${abi}"
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| 469 | echo "Target OS is ..................... ${targos}"
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| 470 | echo "Compiler is called ............... ${BINPREFIX}pcc${EXEEXT}"
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| 471 | echo "Installing compiler into ......... ${bindir}"
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| 472 | echo "Installing pre-processor into .... ${libexecdir}"
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| 473 | echo "Using assembler .................. ${assembler-<default>}"
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| 474 | echo "Using linker ..................... ${linker-<default>}"
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| 475 | echo "Using include path ............... ${altincdir-<default>}"
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| 476 | echo "Using library path ............... ${altlibdir-<default>}"
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| 477 | echo "Has TLS support .................. $tls"
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|---|
| 478 | echo "Has GCC compatibility ............ $gcccompat"
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|---|
| 479 | echo "Type of wchar_t is ............... ${wchar_type} (${wchar_size} chars)"
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| 480 | echo
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|---|
| 481 | echo "Configure finished. Do 'make && make install' to compile and install.
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| 482 | "
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