AC_INIT(acgeneral.m4)

dnl AC_ARG_PROGRAM

AC_PROG_MAKE_SET
AC_PROG_CC

AC_MSG_CHECKING(this systems operating system)
AC_CACHE_VAL(cache_sys_os,
[
if test "$uname_prog" != "no"; then
  cache_sys_os="`uname`"

  case "$cache_sys_os" in
    SunOS)
      case "`uname -r`" in
        5.*) cache_sys_os="Solaris";
      esac
    ;;
  esac
fi
])
AC_MSG_RESULT($cache_sys_os)

AC_MSG_CHECKING(this systems operating platform)
AC_CACHE_VAL(cache_sys_platform,
[
if test "$uname_prog" != "no"; then
  cache_sys_platform="`uname -p`"
fi
])
AC_MSG_RESULT($cache_sys_platform)

if test "x$cache_sys_os" = "xSolaris"; then
	DEFINES="$DEFINES -DSUNOS"
	SHAREDEXECMEM="ld -dy -r -o ../libmemgrep.so memgrep.o"
	SHAREDEXECHEAP="ld -dy -r -o ../heaplist.so heaplist.o"
else
	SHAREDEXECMEM="\${CC} \${FLAGS} -shared -fPIC -DLIBRARY memgrep.c -o ../libmemgrep.so"
	SHAREDEXECHEAP="\${CC} \${FLAGS} -shared -fPIC -DLIBRARY heaplist.c -o ../heaplist.so"
fi

if test "x$cache_sys_os" = "xFreeBSD"; then
	DEFINES="$DEFINES -DFREEBSD"
	LIBS="$LIBS -lkvm"
fi

if test "x$cache_sys_platform" = "xsparc"; then
	DEFINES="$DEFINES -DSPARC"
fi

AC_CHECK_FILE("/usr/include/elf.h",,[AC_MSG_ERROR([required elf header missing])])

AC_SUBST(LIBPATH)
AC_SUBST(INCLUDES)
AC_SUBST(DEFINES)
AC_SUBST(CC)
AC_SUBST(SHAREDEXECMEM)
AC_SUBST(SHAREDEXECHEAP)

AC_OUTPUT(Makefile src/Makefile examples/Makefile)