wxWidgets/build/aclocal/bakefile-lang.m4

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dnl
dnl This file is part of Bakefile (http://www.bakefile.org)
dnl
dnl Copyright (C) 2003-2007 Vaclav Slavik, David Elliott and others
dnl
dnl Permission is hereby granted, free of charge, to any person obtaining a
dnl copy of this software and associated documentation files (the "Software"),
dnl to deal in the Software without restriction, including without limitation
dnl the rights to use, copy, modify, merge, publish, distribute, sublicense,
dnl and/or sell copies of the Software, and to permit persons to whom the
dnl Software is furnished to do so, subject to the following conditions:
dnl
dnl The above copyright notice and this permission notice shall be included in
dnl all copies or substantial portions of the Software.
dnl
dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
dnl THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
dnl FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
dnl DEALINGS IN THE SOFTWARE.
dnl
dnl $Id$
dnl
dnl Compiler detection macros by David Elliott and Vadim Zeitlin
dnl
dnl ===========================================================================
dnl Macros to detect different C/C++ compilers
dnl ===========================================================================
dnl Based on autoconf _AC_LANG_COMPILER_GNU
dnl _AC_BAKEFILE_LANG_COMPILER(NAME, LANG, SYMBOL, IF-YES, IF-NO)
AC_DEFUN([_AC_BAKEFILE_LANG_COMPILER],
[
AC_LANG_PUSH($2)
AC_CACHE_CHECK(
[whether we are using the $1 $2 compiler],
[bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_[]$3],
[AC_TRY_COMPILE(
[],
[
#ifndef $3
choke me
#endif
],
[bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_[]$3=yes],
[bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_[]$3=no]
)
]
)
if test "x$bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_[]$3" = "xyes"; then
:; $4
else
:; $5
fi
AC_LANG_POP($2)
])
dnl CodeWarrior Metrowerks compiler defines __MWERKS__ for both C and C++
AC_DEFUN([AC_BAKEFILE_PROG_MWCC],
[
_AC_BAKEFILE_LANG_COMPILER(Metrowerks, C, __MWERKS__, MWCC=yes)
])
AC_DEFUN([AC_BAKEFILE_PROG_MWCXX],
[
_AC_BAKEFILE_LANG_COMPILER(Metrowerks, C++, __MWERKS__, MWCXX=yes)
])
dnl IBM xlC compiler defines __xlC__ for both C and C++
AC_DEFUN([AC_BAKEFILE_PROG_XLCC],
[
_AC_BAKEFILE_LANG_COMPILER([IBM xlC], C, __xlC__, XLCC=yes)
])
AC_DEFUN([AC_BAKEFILE_PROG_XLCXX],
[
_AC_BAKEFILE_LANG_COMPILER([IBM xlC], C++, __xlC__, XLCXX=yes)
])
dnl recent versions of SGI mipsPro compiler define _SGI_COMPILER_VERSION
dnl
dnl NB: old versions define _COMPILER_VERSION but this could probably be
dnl defined by other compilers too so don't test for it to be safe
AC_DEFUN([AC_BAKEFILE_PROG_SGICC],
[
_AC_BAKEFILE_LANG_COMPILER(SGI, C, _SGI_COMPILER_VERSION, SGICC=yes)
])
AC_DEFUN([AC_BAKEFILE_PROG_SGICXX],
[
_AC_BAKEFILE_LANG_COMPILER(SGI, C++, _SGI_COMPILER_VERSION, SGICXX=yes)
])
dnl Sun compiler defines __SUNPRO_C/__SUNPRO_CC
AC_DEFUN([AC_BAKEFILE_PROG_SUNCC],
[
_AC_BAKEFILE_LANG_COMPILER(Sun, C, __SUNPRO_C, SUNCC=yes)
])
AC_DEFUN([AC_BAKEFILE_PROG_SUNCXX],
[
_AC_BAKEFILE_LANG_COMPILER(Sun, C++, __SUNPRO_CC, SUNCXX=yes)
])
dnl Intel icc compiler defines __INTEL_COMPILER for both C and C++
AC_DEFUN([AC_BAKEFILE_PROG_INTELCC],
[
_AC_BAKEFILE_LANG_COMPILER(Intel, C, __INTEL_COMPILER, INTELCC=yes)
])
AC_DEFUN([AC_BAKEFILE_PROG_INTELCXX],
[
_AC_BAKEFILE_LANG_COMPILER(Intel, C++, __INTEL_COMPILER, INTELCXX=yes)
])
dnl HP-UX aCC: see http://docs.hp.com/en/6162/preprocess.htm#macropredef
AC_DEFUN([AC_BAKEFILE_PROG_HPCC],
[
_AC_BAKEFILE_LANG_COMPILER(HP, C, __HP_cc, HPCC=yes)
])
AC_DEFUN([AC_BAKEFILE_PROG_HPCXX],
[
_AC_BAKEFILE_LANG_COMPILER(HP, C++, __HP_aCC, HPCXX=yes)
])
dnl Tru64 cc and cxx
AC_DEFUN([AC_BAKEFILE_PROG_COMPAQCC],
[
_AC_BAKEFILE_LANG_COMPILER(Compaq, C, __DECC, COMPAQCC=yes)
])
AC_DEFUN([AC_BAKEFILE_PROG_COMPAQCXX],
[
_AC_BAKEFILE_LANG_COMPILER(Compaq, C++, __DECCXX, COMPAQCXX=yes)
])
dnl ===========================================================================
dnl macros to detect specialty compiler options
dnl ===========================================================================
dnl Figure out if we need to pass -ext o to compiler (MetroWerks)
AC_DEFUN([AC_BAKEFILE_METROWERKS_EXTO],
[AC_CACHE_CHECK([if the _AC_LANG compiler requires -ext o], bakefile_cv_[]_AC_LANG_ABBREV[]_exto,
dnl First create an empty conf test
[AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
dnl Now remove .o and .c.o or .cc.o
rm -f conftest.$ac_objext conftest.$ac_ext.o
dnl Now compile the test
AS_IF([AC_TRY_EVAL(ac_compile)],
dnl If the test succeeded look for conftest.c.o or conftest.cc.o
[for ac_file in `(ls conftest.* 2>/dev/null)`; do
case $ac_file in
conftest.$ac_ext.o)
bakefile_cv_[]_AC_LANG_ABBREV[]_exto="-ext o"
;;
*)
;;
esac
done],
[AC_MSG_FAILURE([cannot figure out if compiler needs -ext o: cannot compile])
]) dnl AS_IF
rm -f conftest.$ac_ext.o conftest.$ac_objext conftest.$ac_ext
]) dnl AC_CACHE_CHECK
if test "x$bakefile_cv_[]_AC_LANG_ABBREV[]_exto" '!=' "x"; then
if test "[]_AC_LANG_ABBREV[]" = "c"; then
CFLAGS="$bakefile_cv_[]_AC_LANG_ABBREV[]_exto $CFLAGS"
fi
if test "[]_AC_LANG_ABBREV[]" = "cxx"; then
CXXFLAGS="$bakefile_cv_[]_AC_LANG_ABBREV[]_exto $CXXFLAGS"
fi
fi
]) dnl AC_DEFUN
dnl ===========================================================================
dnl Macros to do all of the compiler detections as one macro
dnl ===========================================================================
dnl check for different proprietary compilers depending on target platform
dnl _AC_BAKEFILE_PROG_COMPILER(LANG)
AC_DEFUN([_AC_BAKEFILE_PROG_COMPILER],
[
AC_PROG_$1
dnl Intel compiler can be used under several different OS and even
dnl different architectures (x86, amd64 and Itanium) so it's easier to just
dnl always test for it
AC_BAKEFILE_PROG_INTEL$1
dnl if we're using gcc, we can't be using any of incompatible compilers
if test "x$G$1" != "xyes"; then
if test "x$1" = "xC"; then
AC_BAKEFILE_METROWERKS_EXTO
if test "x$bakefile_cv_c_exto" '!=' "x"; then
unset ac_cv_prog_cc_g
_AC_PROG_CC_G
fi
fi
dnl most of these compilers are only used under well-defined OS so
dnl don't waste time checking for them on other ones
case `uname -s` in
AIX*)
AC_BAKEFILE_PROG_XL$1
;;
Darwin)
AC_BAKEFILE_PROG_MW$1
AC_BAKEFILE_PROG_XL$1
;;
IRIX*)
AC_BAKEFILE_PROG_SGI$1
;;
Linux*)
dnl Sun CC is now available under Linux too
AC_BAKEFILE_PROG_SUN$1
;;
HP-UX*)
AC_BAKEFILE_PROG_HP$1
;;
OSF1)
AC_BAKEFILE_PROG_COMPAQ$1
;;
SunOS)
AC_BAKEFILE_PROG_SUN$1
;;
esac
fi
])
AC_DEFUN([AC_BAKEFILE_PROG_CC],
[
_AC_BAKEFILE_PROG_COMPILER(CC)
])
AC_DEFUN([AC_BAKEFILE_PROG_CXX],
[
_AC_BAKEFILE_PROG_COMPILER(CXX)
])