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CMake: corrections #1473

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CMake: corrections #1473

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7d4deb8
cmake: must set build type before project()
scivision Nov 10, 2023
ad83198
cmake: use list(APPEND to avoid typos
scivision Nov 10, 2023
cf15f46
cmake: use options/defns rather than direct vars
scivision Nov 10, 2023
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29 changes: 16 additions & 13 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,16 @@

cmake_minimum_required(VERSION 3.18)

# Set a default configuration if none was specified
if (NOT CMAKE_BUILD_TYPE AND NOT DEFINED ENV{CMAKE_BUILD_TYPE})
message(STATUS "No release type specified. Setting to 'Release'.")
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
endif()

if(NOT CMAKE_CONFIGURATION_TYPES)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "RelWithDebInfo")
endif()

project(instant-ngp
VERSION 1.0
DESCRIPTION "Instant Neural Graphics Primitives"
Expand All @@ -25,19 +35,12 @@ option(NGP_BUILD_WITH_OPTIX "Build with OptiX to enable hardware ray tracing?" O
option(NGP_BUILD_WITH_PYTHON_BINDINGS "Build bindings that allow instrumenting instant-ngp with Python?" ON)
option(NGP_BUILD_WITH_VULKAN "Build with Vulkan to enable DLSS support?" ON)

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)

###############################################################################
# Build type and C++ compiler setup
###############################################################################

# Set a default configuration if none was specified
if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "No release type specified. Setting to 'Release'.")
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "RelWithDebInfo")
endif()

if (NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/dependencies/glfw/CMakeLists.txt")
message(FATAL_ERROR
"Some instant-ngp dependencies are missing. "
Expand All @@ -51,10 +54,10 @@ if (APPLE)
endif()

if (MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D_CRT_SECURE_NO_WARNINGS")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP24")
add_compile_definitions("$<$<COMPILE_LANGUAGE:CXX>:_CRT_SECURE_NO_WARNINGS>")
add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:/MP24>")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:-fPIC>")
endif()

set(CMAKE_CXX_STANDARD 14)
Expand Down Expand Up @@ -208,8 +211,8 @@ list(APPEND NGP_INCLUDE_DIRECTORIES

find_package(OpenMP)
if (OPENMP_FOUND)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
add_compile_options("$<$<COMPILE_LANGUAGE:C>:${OpenMP_C_FLAGS}>")
add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:${OpenMP_CXX_FLAGS}>")
endif()

if (NGP_BUILD_WITH_OPTIX)
Expand Down