From 53f18f73c9cee3253c19f67ad0753315eea6a688 Mon Sep 17 00:00:00 2001
From: Raef Coles <raef.coles@arm.com>
Date: Mon, 15 Jun 2020 10:16:44 +0100
Subject: [PATCH 2/6] Make api documentation target optional

Adds a cmake variable BUILD_API_DOCS which controls whether the cmake
target for the docs will be generated. This can be used to avoid cmake
target clashes or to otherwise customise the cmake build.

Signed-off-by: Raef Coles <raef.coles@arm.com>
---
 CMakeLists.txt | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f675c1ee..5d970b9fd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,7 @@ option(USE_PKCS11_HELPER_LIBRARY "Build mbed TLS with the pkcs11-helper library.
 option(ENABLE_ZLIB_SUPPORT "Build mbed TLS with zlib library." OFF)
 
 option(ENABLE_PROGRAMS "Build mbed TLS programs." ON)
+option(ENABLE_DOCS "Build api documentation." ON)
 
 option(UNSAFE_BUILD "Allow unsafe builds. These builds ARE NOT SECURE." OFF)
 option(MBEDTLS_FATAL_WARNINGS "Compiler warnings treated as errors" ON)
@@ -229,9 +230,11 @@ if(ENABLE_PROGRAMS)
     add_subdirectory(programs)
 endif()
 
-ADD_CUSTOM_TARGET(apidoc
-    COMMAND doxygen mbedtls.doxyfile
-    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/doxygen)
+if(ENABLE_DOCS)
+    ADD_CUSTOM_TARGET(apidoc
+        COMMAND doxygen mbedtls.doxyfile
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/doxygen)
+endif()
 
 if(ENABLE_TESTING)
     enable_testing()
-- 
2.20.1