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Better detection of NOT_X_WINDOWS.

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When building against the Mac Homebrew installation of GTK, you find
that GTK exists, libX11 exists, but the integration between the two
(in the form of the header file gdk/gdkx.h) doesn't exist. In that
situation, we need to compile out X11 support.
This commit is contained in:
Simon Tatham 2021-05-03 16:42:03 +01:00
parent e706c04451
commit c037aef285
1 changed files with 14 additions and 5 deletions
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19
cmake/platforms/unix.cmake
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@ -57,12 +57,21 @@ endif()
include(cmake/gtk.cmake)
# See if we have X11 available. This requires libX11 itself, and also
# the GDK integration to X11.
find_package(X11)
if(NOT X11_FOUND)
set(NOT_X_WINDOWS ON)
else()
set(NOT_X_WINDOWS OFF)
endif()
function(check_x11)
list(APPEND CMAKE_REQUIRED_INCLUDES ${GTK_INCLUDE_DIRS})
check_include_file(gdk/gdkx.h HAVE_GDK_GDKX_H)
if(X11_FOUND AND HAVE_GDK_GDKX_H)
set(NOT_X_WINDOWS OFF PARENT_SCOPE)
else()
set(NOT_X_WINDOWS ON PARENT_SCOPE)
endif()
endfunction()
check_x11()
include_directories(${CMAKE_SOURCE_DIR}/charset ${GTK_INCLUDE_DIRS} ${X11_INCLUDE_DIR})
link_directories(${GTK_LIBRARY_DIRS})