Can't build liquidfun on Ubuntu.
AmigaBlitter opened this issue · comments
Hello everyone,
following the procedure described in the https://google.github.io/liquidfun/Building/html/md__building_linux.html page,
cd liquidfun/Box2D
cmake -G'Unix Makefiles'
make
i get many errors, as follow:
This warning is for project developers. Use -Wno-dev to suppress it.
CMake Error at CMakeLists.txt:158 (set_target_properties):
set_target_properties Can not find target to add properties to: X11::X11
CMake Error at CMakeLists.txt:158 (set_target_properties):
set_target_properties Can not find target to add properties to: X11::ICE
CMake Error at CMakeLists.txt:158 (set_target_properties):
set_target_properties Can not find target to add properties to: X11::SM
CMake Error at CMakeLists.txt:158 (set_target_properties):
set_target_properties Can not find target to add properties to: X11::Xau
How can i fix and complete the build?
Thank you very much
Try this:
diff --git a/liquidfun/Box2D/CMakeLists.txt b/liquidfun/Box2D/CMakeLists.txt
index 4f2461c5..2329bb92 100644
--- a/liquidfun/Box2D/CMakeLists.txt
+++ b/liquidfun/Box2D/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.7)
project(Box2D)
@@ -99,23 +99,6 @@ if (BOX2D_CODE_COVERAGE AND
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${GCOV_FLAGS}")
endif()
-# The XCode generator ignores CMAKE_C_FLAGS AND CMAKE_CXX_FLAGS so flags
-# need to be added with target properties.
-# The following functions track the list of targets so that it's possible to
-# add flags to all targets using target properties.
-set(ALL_TARGETS "" CACHE INTERNAL "")
-# Override add_library() and adding the target to the ALL_TARGETS variable.
-function(add_library name)
- _add_library(${name} ${ARGN})
- set(ALL_TARGETS "${ALL_TARGETS}" "${name}" CACHE INTERNAL "")
-endfunction(add_library)
-
-# Override add_executable() and adding the target to the ALL_TARGETS variable.
-function(add_executable name)
- _add_executable(${name} ${ARGN})
- set(ALL_TARGETS "${ALL_TARGETS}" "${name}" CACHE INTERNAL "")
-endfunction(add_executable)
-
# The Box2D library.
add_subdirectory(Box2D)
@@ -141,7 +127,7 @@ endif(BOX2D_INSTALL_DOC)
# Set the warning flags for all targets when using the Xcode generator.
if(CMAKE_COMPILER_IS_CLANGXX)
- foreach(target ${ALL_TARGETS})
+ foreach(target ${BUILDSYSTEM_TARGETS})
set_target_properties(${target} PROPERTIES XCODE_ATTRIBUTE_WARNING_CFLAGS
"${C_FLAGS_WARNINGS}")
endforeach(target)
@@ -161,7 +147,7 @@ endif()
# Override / reset the output directory for all targets.
set(LIB_OUTPUT_DIR "${OUTPUT_SUBDIR}")
set(EXE_OUTPUT_DIR "${OUTPUT_SUBDIR}")
-foreach(target ${ALL_TARGETS})
+foreach(target ${BUILDSYSTEM_TARGETS})
set_target_properties(
${target} PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY "${LIB_OUTPUT_DIR}"