2ae007240ae7c5bb7d3ee5253104b9c65c302b20
[ghc.git] / distrib / configure.ac.in
1 dnl
2 dnl Binary distribution configure script
3 dnl
4 #!/bin/sh
5 #
6
7 AC_INIT([The Glorious Glasgow Haskell Compilation System], [@ProjectVersion@], [glasgow-haskell-bugs@haskell.org], [ghc])
8
9 FP_BINDIST_GHC_PWD
10 FP_FIND_ROOT
11
12 dnl--------------------------------------------------------------------
13 dnl * Deal with arguments telling us gmp is somewhere odd
14 dnl--------------------------------------------------------------------
15
16 FP_GMP
17
18 bootstrap_target=@TargetPlatform@
19 FPTOOLS_SET_PLATFORM_VARS
20
21 # ToDo: if Stage1Only=YES, should be YES
22 CrossCompiling=NO
23 CrossCompilePrefix=""
24 TargetPlatformFull="${target}"
25
26 AC_SUBST(CrossCompiling)
27 AC_SUBST(CrossCompilePrefix)
28 AC_SUBST(TargetPlatformFull)
29
30 Unregisterised="@Unregisterised@"
31 AC_SUBST(Unregisterised)
32
33 #
34 dnl ** Check Perl installation **
35 #
36 AC_PATH_PROG(PerlCmd,perl)
37 if test -z "$PerlCmd"; then
38    echo "You must install perl before you can continue"
39    echo "Perhaps it is already installed, but not in your PATH?"
40    exit 1
41 fi
42
43 #
44 dnl ** figure out how to do a BSD-ish install **
45 #
46 AC_PROG_INSTALL
47
48 #
49 dnl ** how to do symlinks **
50 #
51 AC_PROG_LN_S()
52
53 #
54 dnl ** Find the path to sed **
55 #
56 AC_PATH_PROG(SedCmd,gsed sed,sed)
57
58 XCODE_VERSION()
59
60 dnl ** Which gcc to use?
61 dnl --------------------------------------------------------------
62 FIND_GCC([WhatGccIsCalled], [gcc], [gcc])
63 CC="$WhatGccIsCalled"
64 export CC
65
66 # --with-hs-cpp/--with-hs-cpp-flags
67 FP_CPP_CMD_WITH_ARGS(HaskellCPPCmd, HaskellCPPArgs)
68
69 dnl ** Which ld to use?
70 dnl --------------------------------------------------------------
71 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld])
72 LdCmd="$LD"
73 AC_SUBST([LdCmd])
74
75 FP_GCC_VERSION
76 AC_PROG_CPP
77
78 FP_PROG_LD_IS_GNU
79 FP_PROG_LD_BUILD_ID
80 FP_PROG_LD_NO_COMPACT_UNWIND
81 FP_PROG_LD_FILELIST
82
83 #
84 dnl ** Check gcc version and flags we need to pass it **
85 #
86 FP_GCC_EXTRA_FLAGS
87
88 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
89 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
90 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
91 # Stage 3 won't be supported by cross-compilation
92 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
93
94 AC_SUBST(CONF_CC_OPTS_STAGE0)
95 AC_SUBST(CONF_CC_OPTS_STAGE1)
96 AC_SUBST(CONF_CC_OPTS_STAGE2)
97 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
98 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
99 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
100 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
101 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
102 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
103 AC_SUBST(CONF_CPP_OPTS_STAGE0)
104 AC_SUBST(CONF_CPP_OPTS_STAGE1)
105 AC_SUBST(CONF_CPP_OPTS_STAGE2)
106
107 dnl ** Set up the variables for the platform in the settings file.
108 dnl May need to use gcc to find platform details.
109 dnl --------------------------------------------------------------
110 FPTOOLS_SET_HASKELL_PLATFORM_VARS
111
112 dnl WordSize for settings.in
113 AC_CHECK_SIZEOF(void *, 4)
114 WordSize=$ac_cv_sizeof_void_p
115 AC_SUBST(WordSize)
116
117 #
118 dnl ** how to invoke `ar' and `ranlib'
119 #
120 FP_PROG_AR_SUPPORTS_ATFILE
121 FP_PROG_AR_NEEDS_RANLIB
122
123 FP_SETTINGS
124
125 #
126 AC_CONFIG_FILES(settings mk/config.mk mk/install.mk)
127 AC_OUTPUT
128
129 # We get caught by
130 #     http://savannah.gnu.org/bugs/index.php?1516
131 #     $(eval ...) inside conditionals causes errors
132 # with make 3.80, so warn the user if it looks like they're about to
133 # try to use it.
134 # We would use "grep -q" here, but Solaris's grep doesn't support it.
135 checkMake380() {
136     if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
137     then
138         echo
139         echo "WARNING: It looks like \"$1\" is GNU make 3.80."
140         echo "This version cannot be used to build GHC."
141         echo "Please use GNU make >= 3.81."
142     fi
143 }
144
145 checkMake380 make
146 checkMake380 gmake
147
148 echo "****************************************************"
149 echo "Configuration done, ready to 'make install'"
150 echo "(see README and INSTALL files for more info.)"
151 echo "****************************************************"