openmpi/config/orte_setup_debugger_flags.m4

dnl -*- shell-script -*-
dnl
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dnl Copyright (c) 2015      Research Organization for Information Science
dnl                         and Technology (RIST). All rights reserved.
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AC_DEFUN([ORTE_SETUP_DEBUGGER_FLAGS],[
    #
    # Do a final process of the CFLAGS to make a WITHOUT_OPTFLAGS
    # version.  We need this so that we can guarantee to build the
    # debugger-sensitive files with -g and nothing else.
    #

    OPAL_STRIP_OPTFLAGS($CFLAGS)
    CFLAGS_WITHOUT_OPTFLAGS="$s_result"
    # Tweak the compiler flags passed to orterun for Sun Studio SPARC
    # https://svn.open-mpi.org/trac/ompi/ticket/1448
    if test "x$opal_cv_c_compiler_vendor" = "xsun" && test -n "`echo $host | $GREP sparc`"; then
        DEBUGGER_CFLAGS="-g -xO0"
    else
        # Tweak the compiler flags passed for intel
        # to stop its aggressive inlining of functions
        if test "x$opal_cv_c_compiler_vendor" = "xintel"; then
            DEBUGGER_CFLAGS="-g -O0"
        else
            DEBUGGER_CFLAGS="-g"
        fi
    fi
    AC_MSG_CHECKING([which of CFLAGS are ok for debugger modules])
    AC_MSG_RESULT([$CFLAGS_WITHOUT_OPTFLAGS])
    AC_MSG_CHECKING([for debugger extra CFLAGS])
    AC_MSG_RESULT([$DEBUGGER_CFLAGS])

    AC_SUBST(CFLAGS_WITHOUT_OPTFLAGS)
    AC_SUBST(DEBUGGER_CFLAGS)
])