Commit b3e8797c authored by Guillaume Sadegh's avatar Guillaume Sadegh
Browse files

[lbtt] Adjust to support the Intel compiler (icpc).

    * configure.ac: Adjust to call...
    * m4/intel.m4: ...this new macro.
    * Makefile.am: Add the directory `m4' as an includedir of
    autoconf's macros.
parent bf925aae
2009-06-12 Guillaume Sadegh <sadegh@lrde.epita.fr>
Adjust to support the Intel compiler (icpc).
* configure.ac: Adjust to call...
* m4/intel.m4: ...this new macro.
* Makefile.am: Add the directory `m4' as an includedir of
autoconf's macros.
2009-05-31 Alexandre Duret-Lutz <adl@gnu.org>
Adjust parser to Bison 2.4.1.
......
SUBDIRS = doc src
ACLOCAL_AMFLAGS = -I m4
......@@ -17,7 +17,7 @@ AC_PROG_CXX
AC_PROG_CXXCPP
AM_PROG_LEX
AC_PROG_YACC
lbtt_INTEL
# Check whether the user has explicitly disabled support for the GNU readline
......
dnl Adapted from the predefined _AC_LANG_COMPILER_GNU.
m4_define([_AC_LANG_COMPILER_INTEL],
[AC_CACHE_CHECK([whether we are using the INTEL _AC_LANG compiler],
[ac_cv_[]_AC_LANG_ABBREV[]_compiler_intel],
[
_AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[#ifndef __INTEL_COMPILER
choke me
#endif
]])],
[ac_compiler_intel=yes],
[ac_compiler_intel=no])
ac_cv_[]_AC_LANG_ABBREV[]_compiler_intel=$ac_compiler_intel
])])# _AC_LANG_COMPILER_INTEL
dnl The list of warnings that must be disabled.
m4_define([_INTEL_IGNORE_WARNINGS],
[ 913 dnl Warn when multibyte character are used (for example "Büchi").
]) # _INTEL_IGNORE_WARNINGS
dnl Add extra flags when icpc is used.
AC_DEFUN([lbtt_INTEL],
[_AC_LANG_COMPILER_INTEL
AC_CACHE_CHECK([to add extra CXXFLAGS for the INTEL C++ compiler],
[ac_cv_intel_cxxflags],
[ dnl
if test x"$ac_compiler_intel" = x"yes"; then
# -W does not exist for icpc in CXXFLAGS.
CXXFLAGS=`echo "$CXXFLAGS" | sed 's/-W[[[:space:]]]//g;s/-W$//'`
disabled_warnings=''
for warning in _INTEL_IGNORE_WARNINGS; do
disabled_warnings="$disabled_warnings,$warning"
done
# Remove the extra "," and extra whitespaces.
disabled_warnings=`echo "$disabled_warnings" | sed "s/^,//;s/[[[:space:]]]//g"`
INTEL_CXXFLAGS="-w1 -Werror -wd${disabled_warnings}"
# Even if the icpc preprocessor defines __GNUC__, it is not a GNU compiler.
GXX=
CXXFLAGS="$CXXFLAGS $INTEL_CXXFLAGS"
[ac_cv_intel_cxxflags="$INTEL_CXXFLAGS"]
else
[ac_cv_intel_cxxflags="no extra flags"]
fi])
AC_SUBST([INTEL_CXXFLAGS])
]) # lbtt_INTEL
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