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Edit File: ax_cxx_compiler_vendor.m4
# =========================================================================== # http://www.gnu.org/software/autoconf-archive/ax_cxx_compiler_vendor.html # =========================================================================== # # SYNOPSIS # # AX_CXX_COMPILER_VENDOR(VENDOR-NAME, [NICKNAME]) # # DESCRIPTION # # 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.). # # LICENSE # # Copyright (c) 2008 Ludovic Courtes <ludo@chbouib.org> # # 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. This file is offered as-is, without any # warranty. #serial 7 AU_ALIAS([AC_CXX_COMPILER_VENDOR], [AX_CXX_COMPILER_VENDOR]) AC_DEFUN([AX_CXX_COMPILER_VENDOR], [AC_REQUIRE([AC_PROG_CXX]) AC_REQUIRE([AC_PROG_CXXCPP]) AC_CACHE_CHECK([the C++ compiler vendor], [ax_cv_cxx_compiler_vendor], [AC_LANG_PUSH([C++]) dnl GNU C++ AX_C_IFDEF([__GNUG__], [ax_cv_cxx_compiler_vendor=gnu], [AX_C_IFDEF([__DECCXX], [ax_cv_cxx_compiler_vendor=compaq], [dnl HP's aCC AX_C_IFDEF([__HP_aCC], [ax_cv_cxx_compiler_vendor=hp], [dnl SGI CC AX_C_IFDEF([__sgi], [ax_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]) AX_C_IFDEF([_MSC_VER], [ax_cv_cxx_compiler_vendor=microsoft], [ax_cv_cxx_compiler_vendor=unknown]) AC_LANG_POP()])])])]) AC_LANG_POP()]) $1="$ax_cv_cxx_compiler_vendor" dnl The compiler nickname ifelse([$2], , [], [case "$ax_cv_cxx_compiler_vendor" in gnu) $2=g++;; compaq) $2=cxx;; hp) $2=aCC;; sgi) $2=CC;; microsoft) $2=cl;; *) $2=unknown;; esac])])dnl