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bug#43128: Acknowledgement (27.1; DPI change not detected after switchin
From: |
Vincent Bernat |
Subject: |
bug#43128: Acknowledgement (27.1; DPI change not detected after switching to Emacs 27.1) |
Date: |
Wed, 02 Sep 2020 09:51:35 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) |
❦ 2 septembre 2020 09:28 +02, Vincent Bernat:
> From configure.ac, I see that I go into the Cairo branch which disables
> Xft:
>
> #+begin_src sh
> if test $HAVE_CAIRO = yes; then
> dnl Strict linkers fail with
> dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
> dnl if -lfreetype is not specified.
> dnl The following is needed to set FREETYPE_LIBS.
> EMACS_CHECK_MODULES([FREETYPE], [freetype2])
>
> test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(cairo requires libfreetype)
>
> EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
>
> test "$HAVE_FONTCONFIG" = "no" && AC_MSG_ERROR(cairo requires
> libfontconfig)
> dnl For the "Does Emacs use" message at the end.
> HAVE_XFT=no
> #+end_src
>
> So, no XFT seems to mean, no DPI change is possible. Is that expected?
Disabling Cairo fixes the problem for me.
--
Program defensively.
- The Elements of Programming Style (Kernighan & Plauger)