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# Configure script template for the Run-time System of GHC
#
# Process with 'autoreconf' to get a working configure script.
#
# For the generated configure script, do "./configure --help" to
# see what flags are available. (Better yet, read the documentation!)
#
AC_INIT([GHC run-time system], [1.0.2], [libraries@haskell.org], [rts])
AC_CONFIG_MACRO_DIRS([../m4])
# Safety check: Ensure that we are in the correct source directory.
AC_CONFIG_SRCDIR([include/rts/Constants.h])
dnl * We require autoconf version 2.69 due to
dnl https://bugs.ruby-lang.org/issues/8179. Also see #14910.
dnl * We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
dnl * We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
dnl * Using autoconf 2.59 started to give nonsense like this
dnl #define SIZEOF_CHAR 0
dnl recently.
AC_PREREQ([2.69])
AC_CONFIG_HEADERS([ghcautoconf.h.autoconf])
# We have to run these unconditionally, but we may discard their
# results in the following code
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
GHC_CONVERT_PLATFORM_PARTS([host], [Host])
FPTOOLS_SET_PLATFORM_VARS([host], [Host])
FPTOOLS_SET_HASKELL_PLATFORM_VARS([Host])
AC_OUTPUT
dnl ######################################################################
dnl Generate ghcautoconf.h
dnl ######################################################################
[
mkdir -p include
touch include/ghcautoconf.h
> include/ghcautoconf.h
echo "#if !defined(__GHCAUTOCONF_H__)" >> include/ghcautoconf.h
echo "#define __GHCAUTOCONF_H__" >> include/ghcautoconf.h
# Copy the contents of $srcdir/../mk/config.h, turning '#define PACKAGE_FOO
# "blah"' into '/* #undef PACKAGE_FOO */' to avoid clashes.
cat $srcdir/../mk/config.h ghcautoconf.h.autoconf | sed \
-e 's,^\([ ]*\)#[ ]*define[ ][ ]*\(PACKAGE_[A-Z]*\)[ ][ ]*".*".*$,\1/* #undef \2 */,' \
-e '/__GLASGOW_HASKELL/d' \
-e '/REMOVE ME/d' \
>> include/ghcautoconf.h
echo "#endif /* __GHCAUTOCONF_H__ */" >> include/ghcautoconf.h
]
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