1 #!/bin/sh

     2 

     3 PRECOMP_SUPPORT=no

     4 COMPILER=$1

     5 VERBOSE=$2

     6 

     7 case "$COMPILER" in

     8 icpc)

     9     cat >header.h <<EOF

    10 #define HEADER_H

    11 

    12 EOF

    13     >header.cpp

    14     cat >source.cpp <<EOF

    15 #ifndef HEADER_H

    16 #error no go

    17 #endif

    18 

    19 EOF

    20 

    21     rm -f header.pchi

    22     $COMPILER -pch-create header.pchi -include header.h -c header.cpp -o header.o >/dev/null 2>&1 \

    23         && $COMPILER -pch-use header.pchi -include header.h -c source.cpp -o source.o >/dev/null 2>&1 \

    24         && PRECOMP_SUPPORT=yes

    25 

    26     rm -f header.h header.cpp source.cpp

    27     rm -f header.pchi header.o source.o

    28     ;;

    29 

    30 *g++*|c++)

    31     case `"$COMPILER" -dumpversion 2>/dev/null` in

    32     3.*)

    33         ;;

    34     *)

    35 

    36         >precomp_header.h

    37         if $COMPILER -x c-header precomp_header.h >/dev/null 2>&1; then

    38            $COMPILER -x c++-header precomp_header.h && PRECOMP_SUPPORT=yes

    39         fi

    40         rm -f precomp_header.h precomp_header.h.gch

    41         ;;

    42     esac

    43     ;;

    44 esac

    45 

    46 

    47 # done

    48 if [ "$PRECOMP_SUPPORT" != "yes" ]; then

    49     [ "$VERBOSE" = "yes" ] && echo "Precompiled-headers support disabled."

    50     exit 0

    51 else

    52     [ "$VERBOSE" = "yes" ] && echo "Precompiled-headers support enabled."

    53     exit 1

    54 fi