configure.ac.in 3.9 KB
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dnl
dnl Binary distribution configure script
dnl
#!/bin/sh
#

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AC_INIT([The Glorious Glasgow Haskell Compilation System], [@ProjectVersion@], [glasgow-haskell-bugs@haskell.org], [ghc])
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FP_BINDIST_GHC_PWD
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FP_FIND_ROOT

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dnl--------------------------------------------------------------------
dnl * Deal with arguments telling us gmp is somewhere odd
dnl--------------------------------------------------------------------

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FP_GMP
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bootstrap_target=@TargetPlatform@
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FPTOOLS_SET_PLATFORM_VARS

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# ToDo: if Stage1Only=YES, should be YES
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CrossCompiling=NO
CrossCompilePrefix=""
TargetPlatformFull="${target}"

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AC_SUBST(CrossCompiling)
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AC_SUBST(CrossCompilePrefix)
AC_SUBST(TargetPlatformFull)

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Unregisterised="@Unregisterised@"
AC_SUBST(Unregisterised)

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#
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dnl ** Check Perl installation **
#
AC_PATH_PROG(PerlCmd,perl)
if test -z "$PerlCmd"; then
   echo "You must install perl before you can continue"
   echo "Perhaps it is already installed, but not in your PATH?"
   exit 1
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fi

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#
dnl ** figure out how to do a BSD-ish install **
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#
AC_PROG_INSTALL
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#
dnl ** how to do symlinks **
#
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AC_PROG_LN_S()
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#
dnl ** Find the path to sed **
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#
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AC_PATH_PROG(SedCmd,gsed sed,sed)
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XCODE_VERSION()
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dnl ** Which gcc to use?
dnl --------------------------------------------------------------
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FIND_GCC([WhatGccIsCalled], [gcc], [gcc])
CC="$WhatGccIsCalled"
export CC
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dnl ** Which ld to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld])
LdCmd="$LD"
AC_SUBST([LdCmd])

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FP_GCC_VERSION
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AC_PROG_CPP
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FP_PROG_LD_IS_GNU
FP_PROG_LD_BUILD_ID
FP_PROG_LD_NO_COMPACT_UNWIND
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FP_PROG_LD_FILELIST
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#
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dnl ** Check gcc version and flags we need to pass it **
#
FP_GCC_EXTRA_FLAGS

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FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
# Stage 3 won't be supported by cross-compilation
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
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AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
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AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
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dnl ** Set up the variables for the platform in the settings file.
dnl May need to use gcc to find platform details.
dnl --------------------------------------------------------------
FPTOOLS_SET_HASKELL_PLATFORM_VARS

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dnl WordSize for settings.in
AC_CHECK_SIZEOF(void *, 4)
WordSize=$ac_cv_sizeof_void_p
AC_SUBST(WordSize)

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#
dnl ** how to invoke `ar' and `ranlib'
#
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FP_PROG_AR_SUPPORTS_ATFILE
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FP_PROG_AR_NEEDS_RANLIB

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FP_SETTINGS

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#
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AC_CONFIG_FILES(settings mk/config.mk mk/install.mk)
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AC_OUTPUT
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# We get caught by
#     http://savannah.gnu.org/bugs/index.php?1516
#     $(eval ...) inside conditionals causes errors
# with make 3.80, so warn the user if it looks like they're about to
# try to use it.
# We would use "grep -q" here, but Solaris's grep doesn't support it.
checkMake380() {
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
    then
        echo
        echo "WARNING: It looks like \"$1\" is GNU make 3.80."
        echo "This version cannot be used to build GHC."
        echo "Please use GNU make >= 3.81."
    fi
}

checkMake380 make
checkMake380 gmake

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echo "****************************************************"
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echo "Configuration done, ready to 'make install'"
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echo "(see README and INSTALL files for more info.)"
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echo "****************************************************"