config.tests/unix/precomp.test

   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