--- CMakeLists.txt.orig	2017-02-28 14:56:44.000000000 -0800
+++ CMakeLists.txt	2019-02-15 19:07:22.000000000 -0800
@@ -23,19 +23,24 @@ set(CMAKE_C_FLAGS_MINSIZEREL "-Wall -Wco
 endif(CMAKE_C_COMPILER_ID STREQUAL Clang OR CMAKE_C_COMPILER_ID STREQUAL AppleClang)
 
 find_package(OpenSSL 1.0.1 REQUIRED COMPONENTS Crypto)
-find_program(A2X a2x)
+if(NOT DISABLE_DOCS)
+  find_program(A2X a2x)
+endif(NOT DISABLE_DOCS)
 
 configure_file(config.h.in config.h)
 
 add_library(aes_siv SHARED aes_siv.c)
+target_include_directories(aes_siv PUBLIC ${OPENSSL_INCLUDE_DIR})
 target_link_libraries(aes_siv ${OPENSSL_CRYPTO_LIBRARY})
 set_target_properties(aes_siv PROPERTIES VERSION "1.0.0" SOVERSION 1)
 
 add_library(aes_siv_static STATIC aes_siv.c)
+target_include_directories(aes_siv_static PUBLIC ${OPENSSL_INCLUDE_DIR})
 target_link_libraries(aes_siv_static ${OPENSSL_CRYPTO_LIBRARY})
 set_target_properties(aes_siv_static PROPERTIES OUTPUT_NAME aes_siv)
 
 add_executable(runtests aes_siv_test.c tests.c)
+target_include_directories(runtests PUBLIC ${OPENSSL_INCLUDE_DIR})
 target_link_libraries(runtests ${OPENSSL_CRYPTO_LIBRARY})
 if(ENABLE_COVERAGE)
   target_compile_options(runtests PRIVATE "--coverage")