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Add GUILE_ENABLE_JIT macro

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* acinclude.m4 (GUILE_ENABLE_JIT): New macro.
* libguile/lightning/configure.ac: Remove now-unused file.
This commit is contained in:
Andy Wingo 2018-07-02 10:34:18 +02:00
parent f8b8f5f5c8
commit 0593a9aed7
2 changed files with 57 additions and 28 deletions
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59
acinclude.m4
View file

@ -1,7 +1,7 @@
dnl -*- Autoconf -*-
dnl Copyright (C) 1997, 1999, 2000, 2001, 2002, 2004, 2006,
dnl 2007, 2008, 2009, 2010, 2011, 2013 Free Software Foundation, Inc.
dnl Copyright (C) 1997,1999-2002,2004,2006-2011,2013,2018
dnl Free Software Foundation, Inc.
dnl
dnl This file is part of GUILE
dnl
@ -578,3 +578,58 @@ AC_DEFUN([GUILE_CHECK_GUILE_FOR_BUILD], [
dnl Declare file $1 to be a script that needs configuring,
dnl and arrange to make it executable in the process.
AC_DEFUN([GUILE_CONFIG_SCRIPT],[AC_CONFIG_FILES([$1],[chmod +x $1])])
AC_DEFUN([GUILE_ENABLE_JIT], [
JIT_AVAILABLE=no
AC_MSG_CHECKING([if JIT code generation supported for target CPU])
case "$target_cpu" in
i?86|x86_64|amd64) JIT_AVAILABLE=yes ;;
*arm*) JIT_AVAILABLE=yes ;;
*mips*) JIT_AVAILABLE=yes ;;
*powerpc*) JIT_AVAILABLE=yes ;;
*sparc*) JIT_AVAILABLE=yes ;;
ia64) JIT_AVAILABLE=yes ;;
hppa*) JIT_AVAILABLE=yes ;;
aarch64) JIT_AVAILABLE=yes ;;
s390*) JIT_AVAILABLE=yes ;;
alpha*) JIT_AVAILABLE=yes ;;
*) ;;
esac
AC_MSG_RESULT($JIT_AVAILABLE)
case "$target_cpu" in
*arm*)
AC_CHECK_LIB(m, sqrtf, , [
JIT_AVAILABLE=no;
AC_MSG_WARN([JIT on ARM unavailable due to missing sqrtf])
])
;;
esac
AC_ARG_ENABLE(jit,
[AS_HELP_STRING([--enable-jit[=yes/no/auto]],
[enable just-in-time code generation [default=auto]])])
enable_jit=auto
AC_MSG_CHECKING([whether to enable JIT code generation])
case "$enable_jit" in
y*) enable_jit=yes ;;
n*) enable_jit=no ;;
a*) enable_jit=$JIT_AVAILABLE ;;
*) AC_MSG_ERROR(bad value $enable_jit for --enable-jit) ;;
esac
AC_MSG_RESULT($enable_jit)
if test $enable_jit = yes; then
if test $JIT_AVAILABLE = no; then
AC_MSG_ERROR(
[JIT explicitly enabled with --enable-jit but not supported on $target_cpu])
fi
AC_CHECK_FUNCS(mremap ffsl isnan isinf,,)
fi
AM_CONDITIONAL([ENABLE_JIT], [test "$enable_jit" = "yes"])
ENABLE_JIT_VAL=$(if test "$enable_jit" = "yes"; then echo 1; else echo 0; fi)
AC_DEFINE_UNQUOTED([ENABLE_JIT], [$ENABLE_JIT_VAL],
[Define to 1 if JIT compilation is enabled, or 0 otherwise.])
])

26
libguile/lightning/configure.ac
View file

@ -1,26 +0,0 @@
LIGHTNING_CFLAGS=
AC_CHECK_FUNCS(mremap ffsl isnan isinf,,)
cpu=
case "$target_cpu" in
i?86|x86_64|amd64) cpu=x86 ;;
*arm*) cpu=arm ;;
*mips*) cpu=mips ;;
*powerpc*) cpu=ppc ;;
*sparc*) cpu=sparc ;;
ia64) cpu=ia64 ;;
hppa*) cpu=hppa ;;
aarch64) cpu=aarch64 ;;
s390*) cpu=s390 ;;
alpha*) cpu=alpha ;;
*) ;;
esac
if test $cpu = arm; then
AC_CHECK_LIB(m, sqrtf, ,
[AC_MSG_ERROR([sqrtf required but not available])])
fi
AC_SUBST(cpu)
AC_SUBST([LIGHTNING_CFLAGS])