-dnl Determine the return type of signal handlers
-AC_TYPE_SIGNAL
-
-dnl Look for gettext
-AM_GNU_GETTEXT
-
-dnl Check whether to include debugging code
-DEBUG=""
-AC_MSG_CHECKING([whether to include verbose debugging code])
-AC_ARG_ENABLE([debug],
- [ --enable-debug include verbose debugging code @<:@default=no@:>@],
- if test "$enableval" = "yes"; then
- AC_MSG_RESULT([yes])
- if test "$GCC" = "yes"; then
- DEBUG="-DDEBUG -fno-inline -g"
- else
- DEBUG="-DDEBUG"
- fi
- else
- AC_MSG_RESULT([no])
- DEBUG="-DNDEBUG"
- fi,
- AC_MSG_RESULT([no])
- DEBUG="-DNDEBUG"
-)
-CPPFLAGS="$CPPFLAGS $DEBUG"
-
-dnl Check for X headers and libraries
-AC_PATH_X
-AC_PATH_XTRA
-test "$no_x" = "yes" && AC_MSG_ERROR([No Xlibs found.])
-test -z "$x_includes" && x_includes="/usr/include"
-test -z "$x_libraries" && x_libraries="/usr/lib"
-
-CPPFLAGS="$CPPFLAGS $X_CPPFLAGS"
-LIBS="$LIBS $X_LIBS $X_EXTRA_LIBS"
-LDFLAGS="$LDFLAGS $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"
-
-dnl Check for required functions in -lX11
-AC_CHECK_LIB([X11], [XOpenDisplay],
- ,
- AC_MSG_ERROR([Could not find XOpenDisplay in -lX11.])
-)