https://sourceforge.net/p/dosbox/patches/286/ --- a/configure.ac 2019-11-12 17:55:51.000000000 +0000 +++ b/configure.ac 2020-01-02 21:26:27.551856431 +0000 @@ -235,36 +235,38 @@ #Features to enable/disable AH_TEMPLATE(C_DEBUG,[Define to 1 to enable internal debugger, requires libcurses]) AH_TEMPLATE(C_HEAVY_DEBUG,[Define to 1 to enable heavy debugging, also have to enable C_DEBUG]) -AC_ARG_ENABLE(debug,AC_HELP_STRING([--enable-debug],[Enable debug mode]),[ - AC_CHECK_HEADER(curses.h,have_curses_h=yes,) - AC_CHECK_LIB(curses, initscr, have_curses_lib=yes, , ) - AC_CHECK_LIB(ncurses, initscr, have_ncurses_lib=yes, , ) - AC_CHECK_LIB(pdcurses, initscr, have_pdcurses_lib=yes, , ) +AC_ARG_ENABLE(debug,AC_HELP_STRING([--enable-debug],[Enable debug mode]),,enable_debug=no) +AC_MSG_CHECKING(whether debug will be enabled) + +if test x$enable_debug = xno; then + AC_MSG_RESULT(no) +else + AC_MSG_RESULT(yes) - if test x$enable_debug = xno; then - AC_MSG_RESULT([Debugger not enabled]) - elif test x$have_ncurses_lib = xyes -a x$have_curses_h = xyes ; then - LIBS="$LIBS -lncurses" - AC_DEFINE(C_DEBUG,1) - if test x$enable_debug = xheavy ; then - AC_DEFINE(C_HEAVY_DEBUG,1) - fi - elif test x$have_curses_lib = xyes -a x$have_curses_h = xyes ; then - LIBS="$LIBS -lcurses" - AC_DEFINE(C_DEBUG,1) - if test x$enable_debug = xheavy ; then - AC_DEFINE(C_HEAVY_DEBUG,1) - fi - elif test x$have_pdcurses_lib = xyes -a x$have_curses_h = xyes ; then - LIBS="$LIBS -lpdcurses" - AC_DEFINE(C_DEBUG,1) - if test x$enable_debug = xheavy ; then - AC_DEFINE(C_HEAVY_DEBUG,1) - fi - else - AC_MSG_ERROR([Can't find curses, which is required for debug mode]) - fi -],) + PKG_CHECK_MODULES(NCURSES, ncurses, [ + LIBS="$LIBS $NCURSES_LIBS"; CFLAGS="$CFLAGS $NCURSES_CFLAGS" + ], [ + AC_CHECK_HEADER(curses.h,have_curses_h=yes,) + AC_CHECK_LIB(curses, initscr, have_curses_lib=yes, , ) + AC_CHECK_LIB(ncurses, initscr, have_ncurses_lib=yes, , ) + AC_CHECK_LIB(pdcurses, initscr, have_pdcurses_lib=yes, , ) + + if test x$have_ncurses_lib = xyes -a x$have_curses_h = xyes ; then + LIBS="$LIBS -lncurses" + elif test x$have_curses_lib = xyes -a x$have_curses_h = xyes ; then + LIBS="$LIBS -lcurses" + elif test x$have_pdcurses_lib = xyes -a x$have_curses_h = xyes ; then + LIBS="$LIBS -lpdcurses" + else + AC_MSG_ERROR([Can't find curses, which is required for debug mode]) + fi + ]) + + AC_DEFINE(C_DEBUG,1) + if test x$enable_debug = xheavy; then + AC_DEFINE(C_HEAVY_DEBUG,1) + fi +fi AH_TEMPLATE(C_CORE_INLINE,[Define to 1 to use inlined memory functions in cpu core]) AC_ARG_ENABLE(core-inline,AC_HELP_STRING([--disable-core-inline],[Disable inlined memory handling in CPU Core]),,enable_core_inline=yes)