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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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Autoconf Macro: ac_cxx_compiler_vendor
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<hr>
<h1>
ac_cxx_compiler_vendor
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AC_CXX_COMPILER_VENDOR(VENDOR-NAME, [NICKNAME])</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
Set VENDOR-NAME to the lower-case name of the compiler vendor or `unknown'
if the compiler's vendor is unknown. `compaq' means the CXX compiler as
available on Tru64/OSF1/Digital Unix on Alpha machines. If NICKNAME is
provided, set it to the compiler's usual name (eg. `g++', `cxx', `aCC',
etc.).
</p>
</div>
<h2>
Author
</h2>
<p class="indent">
Ludovic Courtès <ludo@chbouib.org>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2004-09-07
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
AC_DEFUN([AC_CXX_COMPILER_VENDOR],
[AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([AC_PROG_CXXCPP])
AC_CACHE_CHECK([the C++ compiler vendor],
[ac_cv_cxx_compiler_vendor],
[AC_LANG_PUSH([C++])
dnl GNU C++
_AC_C_IFDEF([__GNUG__],
[ac_cv_cxx_compiler_vendor=gnu],
[_AC_C_IFDEF([__DECCXX],
[ac_cv_cxx_compiler_vendor=compaq],
[dnl HP's aCC
_AC_C_IFDEF([__HP_aCC],
[ac_cv_cxx_compiler_vendor=hp],
[dnl SGI CC
_AC_C_IFDEF([__sgi],
[ac_cv_cxx_compiler_vendor=sgi],
[dnl Note: We are using the C compiler because VC++ doesn't
dnl recognize `.cc'(which is used by `configure') as a C++ file
dnl extension and requires `/TP' to be passed.
AC_LANG_PUSH([C])
_AC_C_IFDEF([_MSC_VER],
[ac_cv_cxx_compiler_vendor=microsoft],
[ac_cv_cxx_compiler_vendor=unknown])
AC_LANG_POP()])])])])
AC_LANG_POP()])
$1="$ac_cv_cxx_compiler_vendor"
dnl The compiler nickname
ifelse([$2], , [],
[case "$ac_cv_cxx_compiler_vendor" in
gnu) $2=g++;;
compaq) $2=cxx;;
hp) $2=aCC;;
sgi) $2=CC;;
microsoft) $2=cl;;
*) $2=unknown;;
esac])])dnl
</pre>
</div>
<h2>
License
</h2>
<div class="indent">
<span style="white-space:nowrap;">Copyright © 2004 Ludovic
Courtès <ludo@chbouib.org></span>
<p>
Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice and
this notice are preserved.
</p>
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