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openmpi/opal/config/opal_check_ident.m4
Ralph Castain 13d86e100b Courtesy of Ralph and Jeff:
Continue the reorganization of the configure system. Move files from the main config directory to their appropriate level-specific config directories. Modify the configure system to correctly handle compiler detection, test, and setup so that all things pertaining to opal and orte are done at the lower level, with the ompi configure system only looking at mpi-specific options.

Ensure the wrapper compilers for orte and ompi only get built when appropriate. Add support for c++ to the orte wrapper compilers, both script and non-script versions.

This commit was SVN r22138.
2009-10-24 01:04:35 +00:00

98 строки
3.7 KiB
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dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
dnl $COPYRIGHT$
dnl
dnl Additional copyrights may follow
dnl
dnl $HEADER$
dnl
dnl defines:
dnl OPAL_$1_USE_PRAGMA_IDENT
dnl OPAL_$1_USE_IDENT
dnl OPAL_$1_USE_CONST_CHAR_IDENT
dnl
# OMPI_CHECK_IDENT(compiler-env, compiler-flags,
# file-suffix, lang) Try to compile a source file containing
# a #pragma ident, and determine whether the ident was
# inserted into the resulting object file
# -----------------------------------------------------------
AC_DEFUN([OMPI_CHECK_IDENT], [
AC_MSG_CHECKING([for $4 ident string support])
opal_pragma_ident_happy=0
opal_ident_happy=0
opal_static_const_char_happy=0
_OMPI_CHECK_IDENT(
[$1], [$2], [$3],
[[#]pragma ident], [],
[opal_pragma_ident_happy=1
ompi_message="[#]pragma ident"],
_OMPI_CHECK_IDENT(
[$1], [$2], [$3],
[[#]ident], [],
[opal_ident_happy=1
ompi_message="[#]ident"],
_OMPI_CHECK_IDENT(
[$1], [$2], [$3],
[[#]pragma comment(exestr, ], [)],
[opal_pragma_comment_happy=1
ompi_message="[#]pragma comment"],
[opal_static_const_char_happy=1
ompi_message="static const char[[]]"])))
AC_DEFINE_UNQUOTED([OPAL_$1_USE_PRAGMA_IDENT],
[$opal_pragma_ident_happy], [Use #pragma ident strings for $4 files])
AC_DEFINE_UNQUOTED([OPAL_$1_USE_IDENT],
[$opal_ident_happy], [Use #ident strings for $4 files])
AC_DEFINE_UNQUOTED([OPAL_$1_USE_PRAGMA_COMMENT],
[$opal_pragma_comment_happy], [Use #pragma comment for $4 files])
AC_DEFINE_UNQUOTED([OPAL_$1_USE_CONST_CHAR_IDENT],
[$opal_static_const_char_happy], [Use static const char[] strings for $4 files])
AC_MSG_RESULT([$ompi_message])
unset opal_pragma_ident_happy opal_ident_happy opal_static_const_char_happy ompi_message
])
# _OMPI_CHECK_IDENT(compiler-env, compiler-flags,
# file-suffix, header_prefix, header_suffix, action-if-success, action-if-fail)
# Try to compile a source file containing a #-style ident,
# and determine whether the ident was inserted into the
# resulting object file
# -----------------------------------------------------------
AC_DEFUN([_OMPI_CHECK_IDENT], [
eval ompi_compiler="\$$1"
eval ompi_flags="\$$2"
ompi_ident="string_not_coincidentally_inserted_by_the_compiler"
cat > conftest.$3 <<EOF
$4 "$ompi_ident" $5
int main(int argc, char** argv);
int main(int argc, char** argv) { return 0; }
EOF
# "strings" won't always return the ident string. objdump isn't
# universal (e.g., OS X doesn't have it), and ...other
# complications. So just try to "grep" for the string in the
# resulting object file. If the ident is found in "strings" or
# the grep succeeds, rule that we have this flavor of ident.
OMPI_LOG_COMMAND([$ompi_compiler $ompi_flags -c conftest.$3 -o conftest.${OBJEXT}],
[AS_IF([test -f conftest.${OBJEXT}],
[ompi_output="`strings -a conftest.${OBJEXT} | grep $ompi_ident`"
grep $ompi_ident conftest.${OBJEXT} 2>&1 1>/dev/null
ompi_status=$?
AS_IF([test "$ompi_output" != "" -o "$ompi_status" = "0"],
[$6],
[$7])],
[OMPI_LOG_MSG([the failed program was:])
OMPI_LOG_FILE([conftest.$3])
$7]
[$7])])
unset ompi_compiler ompi_flags ompi_output ompi_status
rm -rf conftest.* conftest${EXEEXT}
])dnl