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cmake: Check dependencies for Linux Qt package

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Currently Qt will download whether or not the target system supports the
package. Normally this isn't an issue since the package manager would
work out the dependencies for us, but in this case we must make sure
everything is in place before downloading the package.

This checks for the package's requirements, as well as tries to provides
hints as to what is required on some of the more cryptic dependencies.
This commit is contained in:
lat9nq 2021-06-13 03:13:10 -04:00
parent 932c0184a7
commit 2bb0cc8624
1 changed files with 75 additions and 4 deletions
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79
CMakeLists.txt
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@ -253,11 +253,82 @@ if(ENABLE_QT)
# Check for system Qt on Linux, fallback to bundled Qt
if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
if (NOT YUZU_USE_BUNDLED_QT)
find_package(Qt5 ${QT_VERSION} COMPONENTS Widgets QUIET)
if (NOT Qt5_FOUND)
set(YUZU_USE_BUNDLED_QT ON CACHE BOOL "Download bundled Qt" FORCE)
find_package(Qt5 ${QT_VERSION} COMPONENTS Widgets)
if (NOT Qt5_FOUND OR YUZU_USE_BUNDLED_QT)
# Check for dependencies, then enable bundled Qt download
# Check that the system GLIBCXX version is compatible
find_program(OBJDUMP objdump)
if ("${OBJDUMP}" STREQUAL "OBJDUMP-NOTFOUND")
message(FATAL_ERROR "Required program `objdump` not found.")
endif()
find_library(LIBSTDCXX libstdc++.so.6)
execute_process(
COMMAND
${OBJDUMP} -T ${LIBSTDCXX}
COMMAND
grep GLIBCXX_3.4.28
COMMAND
sed "s/[0-9a-f]*.* //"
COMMAND
sed "s/ .*//"
COMMAND
sort -u
OUTPUT_VARIABLE
GLIBCXX_MET
)
if (NOT GLIBCXX_MET)
message(FATAL_ERROR "Qt too old or not found, and bundled Qt package is not \
compatible with this system. Either install Qt ${QT_VERSION}, or provide the path \
to Qt by setting the variable Qt5_ROOT.")
endif()
# Check for headers
Include(FindPkgConfig REQUIRED)
pkg_check_modules(QT_DEP_GLU QUIET glu>=9.0.0)
if (NOT QT_DEP_GLU_FOUND)
message(FATAL_ERROR "Qt bundled pacakge dependency `glu` not found. \
Perhaps `libglu1-mesa-dev` needs to be installed?")
endif()
pkg_check_modules(QT_DEP_MESA QUIET dri>=20.0.8)
if (NOT QT_DEP_MESA_FOUND)
message(FATAL_ERROR "Qt bundled pacakge dependency `dri` not found. \
Perhaps `mesa-common-dev` needs to be installed?")
endif()
# Check for X libraries
set(BUNDLED_QT_REQUIREMENTS
libxcb-icccm.so.4
libxcb-image.so.0
libxcb-keysyms.so.1
libxcb-randr.so.0
libxcb-render-util.so.0
libxcb-render.so.0
libxcb-shape.so.0
libxcb-shm.so.0
libxcb-sync.so.1
libxcb-xfixes.so.0
libxcb-xinerama.so.0
libxcb-xkb.so.1
libxcb.so.1
libxkbcommon-x11.so.0
libxkbcommon.so.0
)
set(UNRESOLVED_QT_DEPS "")
foreach (REQUIREMENT ${BUNDLED_QT_REQUIREMENTS})
find_library(BUNDLED_QT_${REQUIREMENT} ${REQUIREMENT})
if ("${BUNDLED_QT_${REQUIREMENT}}" STREQUAL "BUNDLED_QT_${REQUIREMENT}-NOTFOUND")
set(UNRESOLVED_QT_DEPS ${UNRESOLVED_QT_DEPS} ${REQUIREMENT})
endif()
unset(BUNDLED_QT_${REQUIREMENT})
endforeach()
unset(BUNDLED_QT_REQUIREMENTS)
if (NOT "${UNRESOLVED_QT_DEPS}" STREQUAL "")
message(FATAL_ERROR "Bundled Qt package missing required dependencies: ${UNRESOLVED_QT_DEPS}")
endif()
set(YUZU_USE_BUNDLED_QT ON CACHE BOOL "Download bundled Qt" FORCE)
endif()
if (YUZU_USE_BUNDLED_QT)
# Binary package currently does not support Qt webengine, so make sure it's disabled