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dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (C) 2014 Taco Hoekwater <taco@metatex.org>
dnl Copyright (C) 2014 Peter Breitenlohner <tex-live@tug.org>
dnl
dnl This file is free software; the copyright holder
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
m4_include([version.ac])[] dnl define gmp_version
AC_INIT([gmp (TeX Live)], gmp_version, [tex-k@tug.org])
AC_PREREQ([2.65])
AC_CONFIG_SRCDIR([gmp-src/gmp-impl.h])
AC_CONFIG_AUX_DIR([../../build-aux])
AC_CONFIG_MACRO_DIRS([../../m4 m4])
KPSE_BASIC([gmp])
AC_PROG_CC
AC_PROG_RANLIB
AC_PROG_LN_S
KPSE_COMPILER_VISIBILITY
AC_PROG_CC_C99
CFLAGS="$CFLAGS -DNO_ASM"
AC_CONFIG_HEADERS([config.h])
KPSE_CANONICAL_HOST
AC_CHECK_FUNCS([memset raise strchr])
GMP_C_ATTRIBUTE_CONST
GMP_C_ATTRIBUTE_MALLOC
GMP_C_ATTRIBUTE_MODE
GMP_C_ATTRIBUTE_NORETURN
AC_CHECK_TYPE([long long])
AC_CHECK_SIZEOF([void *])
AC_CHECK_SIZEOF([unsigned short])
AC_CHECK_SIZEOF([unsigned])
AC_CHECK_SIZEOF([unsigned long])
AC_CHECK_SIZEOF([unsigned long long])
AS_CASE([$host],
[x86_64-*-cygwin], [gmp_limb=longlong], [dnl
AS_IF([test $ac_cv_sizeof_void_p -gt $ac_cv_sizeof_unsigned_long], [dnl
AS_IF([test $ac_cv_sizeof_void_p -le $ac_cv_sizeof_unsigned_long_long],
[gmp_limb=longlong],
[gmp_limb=unknown])
])
])
AS_CASE([$gmp_limb],
[longlong],
[DEFN_LONG_LONG_LIMB="@%:@define _LONG_LONG_LIMB 1"
gmp_limb_size=$ac_cv_sizeof_unsigned_long_long],
[DEFN_LONG_LONG_LIMB="/* @%:@undef _LONG_LONG_LIMB */"
gmp_limb_size=$ac_cv_sizeof_unsigned_long])
AC_SUBST([DEFN_LONG_LONG_LIMB])
AC_SUBST([GMP_LIMB_BITS], [`expr 8 \* $gmp_limb_size`])
AC_SUBST([GMP_NAIL_BITS], 0)
dnl KPSE_GMP_H
dnl ----------
dnl Create a temporary file gmp-tmp.h to be used instead of gmp.h, since that
dnl file isn't generated until the end of the configure.
AC_DEFUN([KPSE_GMP_H], [dnl
cat >gmp-tmp.h <<KPSE_EOF
#define __GMP_WITHIN_CONFIGURE 1 /* ignore template stuff */
#define GMP_NAIL_BITS $GMP_NAIL_BITS
#define GMP_LIMB_BITS 123
$DEFN_LONG_LONG_LIMB
#include "$srcdir/gmp-src/gmp-h.in"
KPSE_EOF
AC_CONFIG_COMMANDS_POST([rm -rf gmp-tmp.h])
]) # KPSE_GMP_H
KPSE_GMP_H
AC_CHECK_SIZEOF([mp_limb_t], , [#include "gmp-tmp.h"])
GMP_H_EXTERN_INLINE
GMP_FUNC_ALLOCA
GMP_C_DOUBLE_FORMAT
if test "x$enable_build" != xno || test -f config.force; then
AS_CASE([$gmp_limb],
[unknown], [AC_MSG_ERROR([Sorry, no suitable limb size])])
if test "x$ac_cv_sizeof_mp_limb_t" != "x$gmp_limb_size"; then
AC_MSG_ERROR([Oops, mp_limb_t doesn't seem to work])
fi
echo timestamp >config.force
fi
AM_CONDITIONAL([build], [test "x$enable_build" != xno])
AC_SUBST([GMP_TREE], [gmp-src])
AC_SUBST([HAVE_HOST_CPU_FAMILY_power], 0)
AC_SUBST([HAVE_HOST_CPU_FAMILY_powerpc], 0)
AC_SUBST([DEFN_LONG_LONG_LIMB])
AC_SUBST([LIBGMP_DLL], 0)
AC_CONFIG_FILES([Makefile include/Makefile gmp.h:gmp-src/gmp-h.in])
dnl The subdirectory native must be configured for the build system.
KPSE_NATIVE_SUBDIRS([native])
AC_OUTPUT
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