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