/usr/share/dune/cmake/modules/FindGrape.cmake is in libdune-grid-dev 2.3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | # Module that checks whether Grape is available
#
# Accepts the following input variable
# GRAPE_PREFIX: Prefix under which Grape is installed
# GRAPE_INCLUDE_DIRS: Include directories for Grape
# GRAPE_LIBRARY: Full path to Grape library
#
# The following variable will be set:
# GRAPE_FOUND: whether Grape is available
# GRAPE_INCLUDE_DIRS: Include directories for Grape
# GRAPE_LIBRARIES: Full path to libraries needed to link
# to Grape
#
# Provides the function
# add_dune_grape_flags( [OBJECT | SOURCE_ONLY] target1 ...)
# that sets all necessary flags needed for compilation and linking.
#
set(GRAPE_FOUND GRAPE_FOUND-NOTFOUND)
find_package(X11)
find_package(OpenGL)
if(NOT (X11_FOUND AND OPENGL_FOUND))
find_package_handle_standard_args(
"Grape"
DEFAULT_MSG
X11_FOUND
OPENGL_FOUND
GRAPE_INCLUDE_DIR
GRAPE_LIBRARY
_GRAPE_LIB_FUNCTIONAL
_GRAPE_HEADER_USABLE
)
return()
endif(NOT (X11_FOUND AND OPENGL_FOUND))
# find header in user supplied directory
find_path(GRAPE_INCLUDE_DIR grape.h
PATHS ${GRAPE_PREFIX}
NO_DEFAULT_PATH
DOC "Include directory with Grape header files")
find_path(GRAPE_INCLUDE_DIR grape.h
PATHS "/usr/local/grape/") #standard directories
# check header usability
include(CMakePushCheckState)
cmake_push_check_state()
set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -DENABLE_GRAPE")
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${OPENGL_INCLUDE_DIR} ${GRAPE_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES ${OPENGL_LIBRARIES} ${XEXT_LIBS} ${CMAKE_REQUIRED_LIBRARIES} dl m)
check_include_files(grape.h _GRAPE_HEADER_USABLE)
# find library
find_library(GRAPE_LIBRARY
NAMES gr
PATHS ${GRAPE_PREFIX}
NO_DEFAULT_PATH
DOC "Full path to grape library.")
find_library(GRAPE_LIBRARY
NAMES gr
PATHS "/usr/local/grape/")
include(CheckLibraryExists)
get_filename_component(GRAPE_LIBRARY_PATH ${GRAPE_LIBRARY} PATH)
check_library_exists(gr grape "${GRAPE_LIBRARY_PATH}" _GRAPE_LIB_FUNCTIONAL)
cmake_pop_check_state()
if(_GRAPE_LIB_FUNCTIONAL)
set(GRAPE_INCLUDE_DIRS ${GRAPE_INCLUDE_DIR})
set(GRAPE_LIBRARIES ${GRAPE_LIBRARY} ${OPENGL_LIBRARIES} ${XEXT_LIB} dl m)
endif(_GRAPE_LIB_FUNCTIONAL)
# behave like a CMake module is supposed to behave
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
"Grape"
DEFAULT_MSG
X11_FOUND
OPENGL_FOUND
GRAPE_INCLUDE_DIR
GRAPE_LIBRARY
_GRAPE_LIB_FUNCTIONAL
_GRAPE_HEADER_USABLE
)
set(HAVE_GRAPE ${GRAPE_FOUND})
mark_as_advanced(GRAPE_INCLUDE_DIR GRAPE_LIBRARY _GRAPE_LIB_FUNCTIONAL _GRAPE_HEADER_USABLE)
#add all grape related flags to ALL_PKG_FLAGS, this must happen regardless of a target using add_dune_grape_flags
if(GRAPE_FOUND)
foreach(dir ${GRAPE_INCLUDE_DIR})
set_property(GLOBAL APPEND PROPERTY ALL_PKG_FLAGS "-I${dir}")
endforeach()
endif()
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