diff options
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/FindGem.cmake | 39 | ||||
| -rw-r--r-- | cmake/FindGem.cmake.in | 53 |
2 files changed, 92 insertions, 0 deletions
diff --git a/cmake/FindGem.cmake b/cmake/FindGem.cmake new file mode 100644 index 000000000..11c9c672b --- /dev/null +++ b/cmake/FindGem.cmake @@ -0,0 +1,39 @@ +#============================================================================= +# Copyright (c) 2019 Harald Sitter <[email protected]> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +#============================================================================= + +# In this scope it's the dir we are in, in the function scope it will be the +# caller's dir. So, keep our dir in a var. +set(FINDGEM_MODULES_DIR ${CMAKE_CURRENT_LIST_DIR}) + +function(find_gem GEM_NAME) + set(GEM_PACKAGE "Gem:${GEM_NAME}") + + configure_file(${FINDGEM_MODULES_DIR}/FindGem.cmake.in Find${GEM_PACKAGE}.cmake @ONLY) + + set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_BINARY_DIR}" ${CMAKE_MODULE_PATH}) + find_package(${GEM_PACKAGE} ${ARGN}) +endfunction() diff --git a/cmake/FindGem.cmake.in b/cmake/FindGem.cmake.in new file mode 100644 index 000000000..0dcc67766 --- /dev/null +++ b/cmake/FindGem.cmake.in @@ -0,0 +1,53 @@ +#============================================================================= +# Copyright (c) 2019 Harald Sitter <[email protected]> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +#============================================================================= + +find_program(RUBY_EXE ruby) +if(NOT RUBY_EXE) + message(WARNING "Could not find ruby program") + return() +endif() + +execute_process( + COMMAND ${RUBY_EXE} -e "require '@GEM_NAME@'" + ERROR_VARIABLE ERROR_VAR + RESULT_VARIABLE RESULT_VAR +) + +if(RESULT_VAR EQUAL 0) + set(@GEM_PACKAGE@_FOUND TRUE) +else() + message(WARNING ${ERROR_VAR}) + return() +endif() + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(@GEM_PACKAGE@ + FOUND_VAR + @GEM_PACKAGE@_FOUND + REQUIRED_VARS + @GEM_PACKAGE@_FOUND +) |