dnl
dnl special handling for only checking c compiler
dnl
AC_DEFUN(AC_CHECK_C_COMPILER,
[
  dnl this is somehow a fat lie, but prevents other macros from double checking
  AC_PROVIDE([AC_PROG_CC])
  AC_PROVIDE([AC_PROG_CPP])
  AC_ARG_ENABLE(debug,[  --enable-debug          creates debugging code [default=no]],
  [
   if test $enableval = "no"; dnl
     then
       kde_use_debug_code="no"
       kde_use_debug_define=yes
     else
       kde_use_debug_code="yes"
       kde_use_debug_define=no
   fi
  ], [kde_use_debug_code="no"
      kde_use_debug_define=no
    ])

  AC_ARG_ENABLE(strict,[  --enable-strict         compiles with strict compiler options (may not work!)],
   [
    if test $enableval = "no"; then
         kde_use_strict_options="no"
       else
         kde_use_strict_options="yes"
    fi
   ], [kde_use_strict_options="no"])

dnl this was AC_PROG_CC. I had to include it manualy, since I had to patch it
  AC_MSG_CHECKING(for a C-Compiler)
  dnl if there is one, print out. if not, don't matter
  AC_MSG_RESULT($CC)

  if test -z "$CC"; then AC_CHECK_PROG(CC, gcc, gcc) fi
  if test -z "$CC"; then AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) fi
  if test -z "$CC"; then AC_CHECK_PROG(CC, xlc, xlc) fi
  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])

  AC_PROG_CC_WORKS
  AC_PROG_CC_GNU

  if test $ac_cv_prog_gcc = yes; then
    GCC=yes
  else
    GCC=
  fi

  if test -z "$CFLAGS"; then
    if test "$kde_use_debug_code" = "yes"; then
      AC_PROG_CC_G
      if test $ac_cv_prog_cc_g = yes; then
        CFLAGS="-g"
      fi
    else
      if test "$GCC" = "yes"; then
        CFLAGS="-O2"
      else
        CFLAGS=""
      fi
      if test "$kde_use_debug_define" = "yes"; then
         CFLAGS="$CFLAGS -DNDEBUG"
      fi
    fi

    if test "$GCC" = "yes"; then
     CFLAGS="$CFLAGS"

     if test "$kde_use_strict_options" = "yes"; then
	CFLAGS="$CFLAGS -W -Wall -ansi -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings"
     fi
    fi

  fi

  case "$host" in
  *-*-sysv4.2uw*) CFLAGS="$CFLAGS -D_UNIXWARE";;
  esac

  if test -z "$LDFLAGS" && test "$kde_use_debug_code" = "no" && test "$GCC" = "yes"; then
     LDFLAGS="-s"
  fi


dnl this is AC_PROG_CPP. I had to include it here, since autoconf checks
dnl dependecies between AC_PROG_CPP and AC_PROG_CC (or is it automake?)

  AC_MSG_CHECKING(how to run the C preprocessor)
  # On Suns, sometimes $CPP names a directory.
  if test -n "$CPP" && test -d "$CPP"; then
    CPP=
  fi
  if test -z "$CPP"; then
  AC_CACHE_VAL(ac_cv_prog_CPP,
  [  # This must be in double quotes, not single quotes, because CPP may get
    # substituted into the Makefile and "${CC-cc}" will confuse make.
    CPP="${CC-cc} -E"
    # On the NeXT, cc -E runs the code through the compiler's parser,
    # not just through cpp.
    dnl Use a header file that comes with gcc, so configuring glibc
    dnl with a fresh cross-compiler works.
    AC_TRY_CPP([#include <assert.h>
    Syntax Error], ,
    CPP="${CC-cc} -E -traditional-cpp"
    AC_TRY_CPP([#include <assert.h>
    Syntax Error], , CPP=/lib/cpp))
    ac_cv_prog_CPP="$CPP"])dnl
    CPP="$ac_cv_prog_CPP"
  else
    ac_cv_prog_CPP="$CPP"
  fi
  AC_MSG_RESULT($CPP)
  AC_SUBST(CPP)dnl
])