diff options
| author | Po Lu <luangruo@yahoo.com> | 2025-03-12 17:28:27 +0800 |
|---|---|---|
| committer | Po Lu <luangruo@yahoo.com> | 2025-03-12 17:28:37 +0800 |
| commit | 26f5e6339be08d6a1c8831d87779788d93eeda9b (patch) | |
| tree | 33f2079455dd2777c38fb72b739ffe107c0e51a2 /configure.ac | |
| parent | a5f2d6279e0793aa0f8ba1939273866b6464b7e7 (diff) | |
Don't warn about Xft >= 2.3.6
* configure.ac: Don't warn about Xft >= 2.3.6. Clarify warning
message printed on old releases.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac index 253276d8de5..4a7f326ab2b 100644 --- a/configure.ac +++ b/configure.ac @@ -4486,6 +4486,7 @@ fi ### End of font-backend (under any platform) section. ### Start of font-backend (under X11) section. +is_xft_version_outdated=no if test "${HAVE_X11}" = "yes"; then if test $HAVE_CAIRO = yes; then dnl Strict linkers fail with @@ -4534,7 +4535,20 @@ if test "${HAVE_X11}" = "yes"; then if test "${HAVE_XFT}" = "yes"; then AC_DEFINE([HAVE_XFT], [1], [Define to 1 if you have the Xft library.]) - AC_SUBST([XFT_LIBS]) + AC_SUBST([XFT_LIBS]) + AC_CACHE_CHECK([whether libXft is not recent enough to support color fonts], + [emacs_cv_is_xft_version_outdated], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [[ + #include <X11/Xlib.h> + #include <X11/Xft/Xft.h> + #if XftVersion < 20306 + #error "Xft < 2.3.6" + #endif /* XftVersion < 20306 */ + ]], [])], + [emacs_cv_is_xft_version_outdated=no], + [emacs_cv_is_xft_version_outdated=yes])]) + is_xft_version_outdated=$emacs_cv_is_xft_version_outdated C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS" fi # "${HAVE_XFT}" = "yes" CPPFLAGS=$OLD_CPPFLAGS @@ -7863,11 +7877,11 @@ you can continue to support by using '$0 --with-pop'.]) esac fi -if test "${HAVE_XFT}" = yes; then - AC_MSG_WARN([This configuration uses libXft, which has a number of - font rendering issues in its earlier releases. Please consider - using Cairo graphics instead (they are auto-detected if the - relevant development headers are installed).]) +if test "${HAVE_XFT}" = yes && test "$is_xft_version_outdated" = "yes"; then + AC_MSG_WARN([This configuration uses a version of libXft earlier than 2.3.6, + which is impacted by a number of rendering issues up to and including + crashes. Please consider using Cairo graphics instead (they are + auto-detected if the relevant development headers are installed).]) fi if test "${HAVE_CAIRO}" = "yes" && test "${HAVE_HARFBUZZ}" = no; then |