diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 9e38c456..0c4dd953 100644 --- a/configure.ac +++ b/configure.ac @@ -124,6 +124,32 @@ case $fltk_version in AC_MSG_ERROR(FLTK 1.3 required; fltk-config not found) esac +dnl ----------------------------------- +dnl Test for X11 (only on some systems) +dnl ----------------------------------- +AC_MSG_CHECKING([whether to link to X11]) +AC_LANG_PUSH([C++]) +old_libs=$LIBS +old_cxxflags=$CXXFLAGS +LIBS=$LIBFLTK_LIBS +CXXFLAGS=$LIBFLTK_CXXFLAGS +AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#define FL_INTERNALS +#include <FL/x.H> +]],[[ +#ifdef X_PROTOCOL + return 0; +#else + return 1; +#endif +]])], [AC_MSG_RESULT(yes) + LIBX11_LIBS="-lX11"], + [AC_MSG_RESULT(no)], + [AC_MSG_RESULT(no) + AC_MSG_WARN([*** Test for X11 not possible when cross-compiling. ***])]) +CXXFLAGS=$old_cxxflags +LIBS=$old_libs +AC_LANG_POP([C++]) dnl ---------------- dnl Test for libjpeg @@ -469,6 +495,7 @@ AC_SUBST(LIBFLTK_CXXFLAGS) AC_SUBST(LIBFLTK_CFLAGS) AC_SUBST(LIBFLTK_LIBS) AC_SUBST(LIBICONV_LIBS) +AC_SUBST(LIBX11_LIBS) AC_SUBST(datadir) AC_CONFIG_FILES([ |