HscMain: Place CPP macro invocation on one line
[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="$WhatGccIsCalled"
64 export CC
65
66 # --with-hs-cpp/--with-hs-cpp-flags
67 FP_CPP_CMD_WITH_ARGS(HaskellCPPCmd, HaskellCPPArgs)
68 AC_SUBST([HaskellCPPCmd])
69 AC_SUBST([HaskellCPPArgs])
70
71 # Here is where we re-target which specific version of the LLVM
72 # tools we are looking for. In the past, GHC supported a number of
73 # versions of LLVM simultaneously, but that stopped working around
74 # 3.5/3.6 release of LLVM.
75 LlvmVersion=@LlvmVersion@
76
77 dnl ** Which LLVM llc to use?
78 dnl --------------------------------------------------------------
79 FIND_LLVM_PROG([LLC], [llc], [llc], [$LlvmVersion])
80 LlcCmd="$LLC"
81 AC_SUBST([LlcCmd])
82
83 dnl ** Which LLVM opt to use?
84 dnl --------------------------------------------------------------
85 FIND_LLVM_PROG([OPT], [opt], [opt], [$LlvmVersion])
86 OptCmd="$OPT"
87 AC_SUBST([OptCmd])
88
89 dnl ** Which ld to use?
90 dnl --------------------------------------------------------------
91 FIND_LD([LdCmd])
92 AC_SUBST([LdCmd])
93
94 FP_GCC_VERSION
95 AC_PROG_CPP
96
97 FP_PROG_LD_IS_GNU
98 FP_PROG_LD_BUILD_ID
99 FP_PROG_LD_NO_COMPACT_UNWIND
100 FP_PROG_LD_FILELIST
101
102 #
103 dnl ** Check gcc version and flags we need to pass it **
104 #
105 FP_GCC_EXTRA_FLAGS
106
107 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
108 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
109 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
110 # Stage 3 won't be supported by cross-compilation
111 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
112
113 AC_SUBST(CONF_CC_OPTS_STAGE0)
114 AC_SUBST(CONF_CC_OPTS_STAGE1)
115 AC_SUBST(CONF_CC_OPTS_STAGE2)
116 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
117 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
118 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
119 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
120 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
121 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
122 AC_SUBST(CONF_CPP_OPTS_STAGE0)
123 AC_SUBST(CONF_CPP_OPTS_STAGE1)
124 AC_SUBST(CONF_CPP_OPTS_STAGE2)
125
126 dnl ** Set up the variables for the platform in the settings file.
127 dnl May need to use gcc to find platform details.
128 dnl --------------------------------------------------------------
129 FPTOOLS_SET_HASKELL_PLATFORM_VARS
130
131 dnl WordSize for settings.in
132 AC_CHECK_SIZEOF(void *, 4)
133 WordSize=$ac_cv_sizeof_void_p
134 AC_SUBST(WordSize)
135
136 #
137 dnl ** how to invoke `ar' and `ranlib'
138 #
139 FP_PROG_AR_SUPPORTS_ATFILE
140 FP_PROG_AR_NEEDS_RANLIB
141
142 FP_SETTINGS
143
144 #
145 AC_CONFIG_FILES(settings mk/config.mk mk/install.mk)
146 AC_OUTPUT
147
148 # We get caught by
149 #     http://savannah.gnu.org/bugs/index.php?1516
150 #     $(eval ...) inside conditionals causes errors
151 # with make 3.80, so warn the user if it looks like they're about to
152 # try to use it.
153 # We would use "grep -q" here, but Solaris's grep doesn't support it.
154 checkMake380() {
155     if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
156     then
157         echo
158         echo "WARNING: It looks like \"$1\" is GNU make 3.80."
159         echo "This version cannot be used to build GHC."
160         echo "Please use GNU make >= 3.81."
161     fi
162 }
163
164 checkMake380 make
165 checkMake380 gmake
166
167 echo "****************************************************"
168 echo "Configuration done, ready to 'make install'"
169 echo "(see README and INSTALL files for more info.)"
170 echo "****************************************************"