X-Git-Url: https://git.draconx.ca/gitweb/rrace.git/blobdiff_plain/2529a9651d160ab3a17118d778f5e5584d040765..HEAD:/configure.ac diff --git a/configure.ac b/configure.ac index b0c7fb0..9f290c1 100644 --- a/configure.ac +++ b/configure.ac @@ -1,9 +1,11 @@ -dnl Copyright © 2022 Nick Bowler +dnl Copyright © 2022-2024 Nick Bowler dnl dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2. dnl This is free software: you are free to do what the fuck you want to. dnl There is NO WARRANTY, to the extent permitted by law. +DX_PATCH_GNULIB + AC_INIT([rrace], [0], [nbowler@draconx.ca]) AC_CONFIG_HEADERS([config.h]) @@ -12,8 +14,39 @@ AM_SILENT_RULES([yes]) DX_AUTOMAKE_COMPAT AC_PROG_CC_C99 +gl_EARLY + +AC_C_INLINE +AC_C_FLEXIBLE_ARRAY_MEMBER +DX_C_FOR_DECLARATIONS + LT_INIT +gl_INIT + +AC_CACHE_SAVE +m4_include([lib/gnulib.mk]) +AH_BOTTOM([#include ]) + +# Checks for curses +AC_ARG_WITH([curses], [AS_HELP_STRING([--with-curses], + [build UI for text mode via curses (default: auto)])], + [], [with_curses=auto]) +AS_IF([test x"$with_curses" != x"no"], + [DX_LIB_CURSES([have_curses=yes], [have_curses=no])]) +AS_IF([test x"$with_curses" = x"yes" && test x"$have_curses" != x"yes"], + [AC_MSG_FAILURE([--with-curses requested but curses was not found])]) +AM_CONDITIONAL([HAVE_CURSES], [test x"$have_curses" = x"yes"]) +AM_COND_IF([HAVE_CURSES], +[DX_CHECK_CURSES_FUNC([wresize], [0,0,0]) +DX_CHECK_CURSES_MOUSE_SUPPORT]) + +# Checks for X11 +m4_copy([AC_ARG_WITH], [save_AC_ARG_WITH]) +m4_pushdef([AC_ARG_WITH], [m4_case([$1], [x], + [m4_popdef([$0])$0([x], AS_HELP_STRING([--with-x], + [build UI for the X Window System (default: auto)]), m4_shift2($@))], + [m4_pushdef([$0], m4_defn([save_$0]))$0($@)m4_popdef([$0])])]) AC_PATH_XTRA AS_IF([test x"$no_x" != x"yes"], [AC_CACHE_CHECK([for Motif], [dx_cv_have_motif], @@ -27,17 +60,117 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([#include ], [dx_cv_have_motif=yes], [dx_cv_have_motif=no]) CFLAGS=$save_CFLAGS LIBS=$save_LIBS])]) -AS_IF([test x"$with_x" = x"yes" && test "$dx_cv_have_motif" != x"yes"], +AS_IF([test x"$with_x" = x"yes" && test x"$dx_cv_have_motif" != x"yes"], [AC_MSG_FAILURE([--with-x requested but Motif was not found])]) AC_SUBST([MOTIF_CFLAGS], [@&t@]) AC_SUBST([MOTIF_LIBS], [@&t@]) -AS_IF([test x"$dx_cv_have_motif" = x"yes"], - [MOTIF_CFLAGS=$dx_cv_motif_cflags MOTIF_LIBS=$dx_cv_motif_libs]) +AM_CONDITIONAL([HAVE_MOTIF], + [test x"$with_x" != x"no" && test x"$dx_cv_have_motif" = x"yes"]) +AM_COND_IF([HAVE_MOTIF], + [MOTIF_CFLAGS=$dx_cv_motif_cflags MOTIF_LIBS=$dx_cv_motif_libs], + [AC_DEFINE([X_DISPLAY_MISSING])]) +AH_TEMPLATE([X11_RENDER_DEBUG], + [Define to 1 to enable visual aids for debugging X11 rendering.]) + +# Check for XmPIXMAP_AND_STRING. +# +# Just checking for the existence of this identifier is sufficient, to ensure +# that the C compiler accepts the name. If it turns out to not actually be +# supported by the library used at runtime, Motif itself will catch this +# and set to the default (i.e., XmSTRING). +AM_COND_IF([HAVE_MOTIF], +[AC_CACHE_CHECK([whether Motif supports XmPIXMAP_AND_STRING], +[dx_cv_motif_have_pixmap_and_string], +[save_CFLAGS=$CFLAGS save_LIBS=$LIBS +CFLAGS="$MOTIF_CFLAGS $CFLAGS" LIBS="$MOTIF_LIBS $LIBS" +AC_COMPUTE_INT([dx_tmp], + [XmPIXMAP != XmPIXMAP_AND_STRING && XmSTRING != XmPIXMAP_AND_STRING], + [#include ], [dx_tmp=0]) +AS_IF([test x"$dx_tmp" = x"1"], + [dx_cv_motif_have_pixmap_and_string=yes], + [dx_cv_motif_have_pixmap_and_string=no]) +CFLAGS=$save_CFLAGS LIBS=$save_LIBS]) +AS_IF([test x"$dx_cv_motif_have_pixmap_and_string" = x"yes"], + [AC_DEFINE([HAVE_MOTIF_PIXMAP_AND_STRING], [1], + [Define to 1 if Motif supports XmPIXMAP_AND_STRING])]) +]) + +dnl On ELF systems, linking a program against a string table in shared +dnl library is very expensive and actually makes things much worse than +dnl just duplicating the needed strings in the program. +dnl +dnl It may help a little bit when static linking or on other shared +dnl library implementations, which could maybe be auto-detected with +dnl a configure test, but the penalty for setting these anyway is +dnl very small (couple hundred bytes of rodata). +m4_foreach_w([lib], [Xt Xm], +[AC_DEFINE(m4_toupper(m4_defn([lib]))[STRINGDEFINES], [1], +[Define to 1 to avoid using the string tables from lib]m4_defn([lib])[. +On some platforms, or when statically linking lib]m4_defn([lib])[, +leaving this undefined may reduce the executable size somewhat.])]) AC_CONFIG_TESTDIR([.], [t:.]) -DX_PROG_AUTOTEST -AM_CONDITIONAL([HAVE_AUTOTEST], [test x"$dx_cv_autotest_works" = x"yes"]) +DX_PROG_AUTOTEST_AM + +AC_CHECK_PROGS([XPMTOPPM], [xpmtoppm]) +AC_CHECK_PROGS([PNMTOPNG], [pnmtopng]) +AC_CHECK_PROGS([CONVERT], [convert]) +AC_CHECK_PROGS([GM], [gm]) +AC_CACHE_CHECK([how to convert XPM to PNG], [dx_cv_xpm_to_png], +[cat >conftest.xpm <<'EOF' +/* XPM */ +static char *x[] = { +"1 1 1 1", +"x c #123456", +"x" +}; +EOF +check_conftest_png () { + od conftest.png | $AWK 'BEGIN { success=0; } +NR == 1 && $2 == "050211" && $3 == "043516" { success=1; } +NR == 1 && $2 == "104520" && $3 == "047107" { success=1; } +END { exit(!success); }' +} +rm -f conftest.png +for dx_cv_xpm_to_png in netpbm 'gm convert' convert unknown; do +AS_CASE([$dx_cv_xpm_to_png], + +[netpbm], +[AS_IF([$XPMTOPPM conftest.xpm >conftest.ppm 2>&AS_MESSAGE_LOG_FD], + [], [continue]) +AS_IF([$PNMTOPNG conftest.ppm >conftest.png 2>&AS_MESSAGE_LOG_FD], + [], [continue]) +AS_IF([check_conftest_png], [break])], + +[*convert], +[AS_CASE([$dx_cv_xpm_to_png], + [gm*], [test_convert="$GM convert"], + [test_convert="$CONVERT"]) +AS_IF([$test_convert conftest.xpm conftest.png >&AS_MESSAGE_LOG_FD 2>&1], + [], [continue]) +AS_IF([check_conftest_png], [break])]) +done +rm -f conftest.xpm conftest.ppm conftest.png]) + +AM_CONDITIONAL([USE_NETPBM], [test x"$dx_cv_xpm_to_png" = x"netpbm"]) +AM_CONDITIONAL([USE_CONVERT], + [AS_CASE([$dx_cv_xpm_to_png], [*convert], [], [false])]) + +AS_IF([test x"$dx_cv_xpm_to_png" = x"gm convert"], + [CONVERT="$GM convert"]) + +AC_CHECK_PROGS([OPTIPNG], [optipng]) +: "${OPTIPNG:=:}" + +AM_CONDITIONAL([USE_NLS], [test x"$USE_NLS" = x"yes"]) AC_CONFIG_FILES([Makefile]) AC_OUTPUT + +have_ui=false +AM_COND_IF([HAVE_CURSES], [have_ui=:]) +AM_COND_IF([HAVE_MOTIF], [have_ui=:]) +AS_IF([$have_ui], [], +[AC_MSG_WARN([No user interface is enabled.]) +AC_MSG_WARN([It will not be possible to play the game.])])