CMake: Disable installation when using bundled third party libraries
If gRPC is not getting its (link-time) dependencies from the system, it
should not be attempting installation.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c4e0e01..a97b7a5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,11 +48,12 @@
# Options
option(gRPC_BUILD_TESTS "Build tests" OFF)
-if (NOT MSVC)
- set(gRPC_INSTALL ON CACHE BOOL "Generate installation target")
-else()
- set(gRPC_INSTALL OFF CACHE BOOL "Generate installation target")
+set(gRPC_INSTALL_default ON)
+if (MSVC)
+ set(gRPC_INSTALL_default OFF)
endif()
+set(gRPC_INSTALL ${gRPC_INSTALL_default} CACHE BOOL
+ "Generate installation target: gRPC_ZLIB_PROVIDER, gRPC_CARES_PROVIDER, gRPC_SSL_PROVIDER and gRPC_PROTOBUF_PROVIDER must all be \"package\"")
set(gRPC_ZLIB_PROVIDER "module" CACHE STRING "Provider of zlib library")
set_property(CACHE gRPC_ZLIB_PROVIDER PROPERTY STRINGS "module" "package")
@@ -118,6 +119,10 @@
else()
message(WARNING "gRPC_ZLIB_PROVIDER is \"module\" but ZLIB_ROOT_DIR is wrong")
endif()
+ if(gRPC_INSTALL)
+ message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_ZLIB_PROVIDER is \"module\"")
+ set(gRPC_INSTALL FALSE)
+ endif()
elseif("${gRPC_ZLIB_PROVIDER}" STREQUAL "package")
find_package(ZLIB)
if(TARGET ZLIB::ZLIB)
@@ -149,6 +154,10 @@
else()
message(WARNING "gRPC_CARES_PROVIDER is \"module\" but CARES_ROOT_DIR is wrong")
endif()
+ if(gRPC_INSTALL)
+ message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_CARES_PROVIDER is \"module\"")
+ set(gRPC_INSTALL FALSE)
+ endif()
elseif("${gRPC_CARES_PROVIDER}" STREQUAL "package")
find_package(c-ares CONFIG)
if(TARGET c-ares::cares)
@@ -183,6 +192,10 @@
else()
message(WARNING "gRPC_PROTOBUF_PROVIDER is \"module\" but PROTOBUF_ROOT_DIR is wrong")
endif()
+ if(gRPC_INSTALL)
+ message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_PROTOBUF_PROVIDER is \"module\"")
+ set(gRPC_INSTALL FALSE)
+ endif()
elseif("${gRPC_PROTOBUF_PROVIDER}" STREQUAL "package")
find_package(protobuf CONFIG)
if(protobuf_FOUND)
@@ -216,6 +229,10 @@
else()
message(WARNING "gRPC_SSL_PROVIDER is \"module\" but BORINGSSL_ROOT_DIR is wrong")
endif()
+ if(gRPC_INSTALL)
+ message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_SSL_PROVIDER is \"module\"")
+ set(gRPC_INSTALL FALSE)
+ endif()
elseif("${gRPC_SSL_PROVIDER}" STREQUAL "package")
find_package(OpenSSL)
if(TARGET OpenSSL::SSL)