#							-*- shell-script -*-
#
# This file should be sourced into configure if the compiler is a DEC
# compiler.  It is careful not to do anything if the compiler is not
# DEC; otherwise `cc_flags_set' is set to `yes'
#

# Get the compiler version unless it's already known.
#
#   cc_vendor:    The compiler vendor: DEC
#   cc_version:   Version number, like: V5.2-038
#
if test X = "X$cc_flags_set"; then
    cc_vendor=DEC
    cc_version="`$CC $CFLAGS -V 2>&1 |head -1 |\
	        sed 's/.*DEC C \(V[0-9][-\.0-9]*\).*/\1/'`"
    if test X != "$gcc_version"; then
	echo "compiler '$CC' is $cc_vendor-$cc_version"
    else
        cc_vendor=
    fi
fi

# Warn about old compilers that don't work right.
case "$cc_vendor-$cc_version" in
    DEC-V5.2-038)
        cat <<EOF
    **
    ** This compiler may generate incorrect code when optimizations are
    ** enabled. Please upgrade to a newer version (we're not sure which
    ** version actually works) before reporting bugs to the HDF5 team.
    **
EOF
	sleep 5
	;;
esac

# CFLAGS must be set else configure set it to -g
CFLAGS="$CFLAGS"

# Compiler flags
case "$cc_vendor-$cc_version" in
  DEC-V5.* | DEC-*V6.*)
    # Production
    PROD_CFLAGS="-g0 -verbose -warnprotos -std -O4 $ARCH -ansi_args -fp_reorder -readonly_strings -inline speed"
    PROD_CPPFLAGS="-D_INTRINSICS -D_INLINE_INTRINSICS"

    # Debug
    DEBUG_CFLAGS="-g -std -verbose -warnprotos"
    DEBUG_CPPFLAGS=

    # Profile
    PROFILE_CFLAGS="-pg -std -verbose -warnprotos"
    PROFILE_CPPFLAGS=

    # We want the -oldstyle_liblookup flag to be passed to the linker. It's
    # getting libraries we don't want it to get, if those libraries are only
    # available in static formats (such as the jpeg library distributed with
    # HDF4). This flag will cause it to first look for a shared library and
    # then a static library in the lib/ directory before moving onto another
    # directory.
    LDFLAGS="$LDFLAGS -Wl,-oldstyle_liblookup"

    # Flags are set
    cc_flags_set=yes
    ;;
esac

# If no flags were set then clear the compiler vendor and version info.
if test X = "X$cc_flags_set"; then
    cc_vendor=
    cc_version=
fi
