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Enable install only if main project #24

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41 changes: 25 additions & 16 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,11 @@ project(
LANGUAGES CXX
)

set(GLOB_MAIN_PROJECT FALSE)
if ((CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR) AND (CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME))
set(GLOB_MAIN_PROJECT TRUE)
endif()

# ---- Options ----
option(GLOB_USE_GHC_FILESYSTEM "Use ghc::filesystem instead of std::filesystem" OFF)

Expand All @@ -24,14 +29,16 @@ endif()
# ---- Add dependencies via CPM ----
# see https://github.com/TheLartians/CPM.cmake for more info

include(cmake/CPM.cmake)
if (GLOB_MAIN_PROJECT)
include(cmake/CPM.cmake)

# PackageProject.cmake will be used to make our target installable
CPMAddPackage(
NAME PackageProject.cmake
GITHUB_REPOSITORY TheLartians/PackageProject.cmake
VERSION 1.3
)
# PackageProject.cmake will be used to make our target installable
CPMAddPackage(
NAME PackageProject.cmake
GITHUB_REPOSITORY TheLartians/PackageProject.cmake
VERSION 1.3
)
endif()

# ---- Add source files ----

Expand Down Expand Up @@ -73,12 +80,14 @@ target_include_directories(
# header paths
string(TOLOWER ${PROJECT_NAME}/version.h VERSION_HEADER_LOCATION)

packageProject(
NAME ${PROJECT_NAME}
VERSION ${PROJECT_VERSION}
BINARY_DIR ${PROJECT_BINARY_DIR}
INCLUDE_DIR ${PROJECT_SOURCE_DIR}/include
INCLUDE_DESTINATION include/${PROJECT_NAME}-${PROJECT_VERSION}
VERSION_HEADER "${VERSION_HEADER_LOCATION}"
DEPENDENCIES ""
)
if (GLOB_MAIN_PROJECT)
packageProject(
NAME ${PROJECT_NAME}
VERSION ${PROJECT_VERSION}
BINARY_DIR ${PROJECT_BINARY_DIR}
INCLUDE_DIR ${PROJECT_SOURCE_DIR}/include
INCLUDE_DESTINATION include/${PROJECT_NAME}-${PROJECT_VERSION}
VERSION_HEADER "${VERSION_HEADER_LOCATION}"
DEPENDENCIES ""
)
endif()