Add freetype linker flags for cairo to fix wasm build

Not only the freetype headers, but also freetype linker
flags are needed when building using internal cairo.

Adjust accordingly. (The 'freetype' external already
uses the 'freetype_headers' one, so specifying only
'freetype' is enough.)

This fixes the following build error otherwise seen in
a wasm/Emscripten build after

    commit ea7166ec8b
    Date:   Fri Jul 24 18:01:51 2026 +0300

        vcl: Don’t link against freetype

        It is not used directly anymore.

:

    em++: warning: EXPORT_EXCEPTION_HANDLING_HELPERS is deprecated (getExceptionMessage is exported anyway when ASSERTIONS or EXCEPTION_STACK_TRACES is set, which are set by default at -O0. At -O1 or above, you can export it separately by -sEXPORTED_RUNTIME_METHODS=getExceptionMessage,decrementExceptionRefcount.). Please open a bug if you have a continuing need for this setting [-Wdeprecated]
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Outline_Transform
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Outline_Decompose
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Done_Face
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_New_Face
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Set_Transform
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Set_Char_Size
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Get_MM_Var
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Get_Var_Design_Coordinates
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Done_MM_Var
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Get_MM_Var
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Get_Var_Design_Coordinates
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Set_Var_Design_Coordinates
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Done_MM_Var
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Init_FreeType
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Get_Color_Glyph_Paint
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Get_Color_Glyph_Paint
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Get_Color_Glyph_Layer
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Get_Color_Glyph_Layer
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Load_Glyph
    wasm-ld: error: /home/michi/development/git/libreoffice-WORKTREE-wasm/workdir/UnpackedTarball/cairo/builddir/src/libcairo-lo.a(cairo-ft-font.c.o): undefined symbol: FT_Get_Color_Glyph_Layer
    wasm-ld: error: too many errors emitted, stopping now (use -error-limit=0 to see all errors)

Same also seen in the Tinderbox wasm builds:
https://ci.libreoffice.org/view/tb%20platform%20status/job/lo_daily_tb_linux_wasm/1547/console

Change-Id: Iea8725f9177417cdd3d6e410f693b9ac46d95e78
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/211510
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
This commit is contained in:
Michael Weghorn
2026-09-28 15:26:11 +02:00
parent 370e262391
commit 363953bde7
+1 -1
View File
@@ -1388,7 +1388,7 @@ endif
define gb_LinkTarget__use_cairo
$(call gb_LinkTarget_use_package,$(1),cairo)
$(call gb_LinkTarget_use_package,$(1),pixman)
$(call gb_LinkTarget_use_external,$(1),freetype_headers)
$(call gb_LinkTarget_use_external,$(1),freetype)
$(call gb_LinkTarget_set_include,$(1),\
-I$(gb_UnpackedTarball_workdir)/cairo \
-I$(gb_UnpackedTarball_workdir)/cairo/src \