wxWidgets/build/aclocal/bakefile-lang.m4

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dnl ---------------------------------------------------------------------------
dnl Compiler detection macros by David Elliott
dnl ---------------------------------------------------------------------------
dnl ===========================================================================
dnl Macros to detect non-GNU compilers (MetroWerks, XLC)
dnl ===========================================================================
dnl Based on autoconf _AC_LANG_COMPILER_GNU
AC_DEFUN([_AC_BAKEFILE_LANG_COMPILER_MWERKS],
[AC_CACHE_CHECK([whether we are using the Metrowerks _AC_LANG compiler],
[bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_mwerks],
[AC_TRY_COMPILE([],[#ifndef __MWERKS__
choke me
#endif
],
[bakefile_compiler_mwerks=yes],
[bakefile_compiler_mwerks=no])
bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_mwerks=$bakefile_compiler_mwerks
])
])
dnl Loosely based on autoconf AC_PROG_CC
dnl TODO: Maybe this should wrap the call to AC_PROG_CC and be used instead.
AC_DEFUN([AC_BAKEFILE_PROG_MWCC],
[AC_LANG_PUSH(C)
_AC_BAKEFILE_LANG_COMPILER_MWERKS
MWCC=`test $bakefile_cv_c_compiler_mwerks = yes && echo yes`
AC_LANG_POP(C)
])
dnl Loosely based on autoconf AC_PROG_CXX
dnl TODO: Maybe this should wrap the call to AC_PROG_CXX and be used instead.
AC_DEFUN([AC_BAKEFILE_PROG_MWCXX],
[AC_LANG_PUSH(C++)
_AC_BAKEFILE_LANG_COMPILER_MWERKS
MWCXX=`test $bakefile_cv_cxx_compiler_mwerks = yes && echo yes`
AC_LANG_POP(C++)
])
dnl Based on autoconf _AC_LANG_COMPILER_GNU
AC_DEFUN([_AC_BAKEFILE_LANG_COMPILER_XLC],
[AC_CACHE_CHECK([whether we are using the IBM xlC _AC_LANG compiler],
[bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_xlc],
[AC_TRY_COMPILE([],[#ifndef __xlC__
choke me
#endif
],
[bakefile_compiler_xlc=yes],
[bakefile_compiler_xlc=no])
bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_xlc=$bakefile_compiler_xlc
])
])
dnl Loosely based on autoconf AC_PROG_CC
AC_DEFUN([AC_BAKEFILE_PROG_XLCC],
[AC_LANG_PUSH(C)
_AC_BAKEFILE_LANG_COMPILER_XLC
XLCC=`test $bakefile_cv_c_compiler_xlc = yes && echo yes`
AC_LANG_POP(C)
])
dnl Loosely based on autoconf AC_PROG_CXX
AC_DEFUN([AC_BAKEFILE_PROG_XLCXX],
[AC_LANG_PUSH(C++)
_AC_BAKEFILE_LANG_COMPILER_XLC
XLCXX=`test $bakefile_cv_cxx_compiler_xlc = yes && echo yes`
AC_LANG_POP(C++)
])
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]
)
]
)
AC_LANG_POP($2)
if test "x$bakefile_cv_[]_AC_LANG_ABBREV[]_compiler_[]$3" = "xyes"; then
:; $4
else
:; $5
fi
])
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
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
;;
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)
])