From 7ab373e86d932929148d49384cbdac0191144a46 Mon Sep 17 00:00:00 2001
From: Sarah Hoffmann <lonvia@denofr.de>
Date: Sun, 28 Jul 2019 14:27:14 +0200
Subject: [PATCH] add cmake mode for building documentation only

---
 CMakeLists.txt | 135 ++++++++++++++++++++++++++-----------------------
 1 file changed, 71 insertions(+), 64 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 01e9c3ce..163b0494 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,58 +35,61 @@ add_definitions(-DNOMINATIM_VERSION="${NOMINATIM_VERSION}")
 
 set(BUILD_TESTS off CACHE BOOL "Build test suite" FORCE)
 set(WITH_LUA off CACHE BOOL "Build with lua support" FORCE)
-
-if (NOT EXISTS "${CMAKE_SOURCE_DIR}/osm2pgsql/CMakeLists.txt")
-    message(FATAL_ERROR "The osm2pgsql directory is empty.\
-    Did you forget to check out Nominatim recursively?\
-    \nTry updating submodules with: git submodule update --init")
-endif()
-add_subdirectory(osm2pgsql)
-
-find_package(Threads REQUIRED)
-
-unset(PostgreSQL_TYPE_INCLUDE_DIR CACHE)
-set(PostgreSQL_TYPE_INCLUDE_DIR "/usr/include/")
-find_package(PostgreSQL REQUIRED)
-include_directories(${PostgreSQL_INCLUDE_DIRS})
-link_directories(${PostgreSQL_LIBRARY_DIRS})
-
-find_program(PYOSMIUM pyosmium-get-changes)
-if (NOT EXISTS "${PYOSMIUM}")
-    set(PYOSMIUM_PATH "")
-        message(WARNING "pyosmium-get-changes not found (required for updates)")
-else()
-    set(PYOSMIUM_PATH "${PYOSMIUM}")
-    message(STATUS "Using pyosmium-get-changes at ${PYOSMIUM_PATH}")
-endif()
-
-
-find_program(PG_CONFIG pg_config)
-execute_process(COMMAND ${PG_CONFIG} --pgxs
-                OUTPUT_VARIABLE PGXS
-                OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-if (NOT EXISTS "${PGXS}")
-    message(FATAL_ERROR "Postgresql server package not found.")
+set(ONLY_DOCS off CACHE BOOL "Build documentation only")
+
+if (NOT ONLY_DOCS)
+    if (NOT EXISTS "${CMAKE_SOURCE_DIR}/osm2pgsql/CMakeLists.txt")
+        message(FATAL_ERROR "The osm2pgsql directory is empty.\
+        Did you forget to check out Nominatim recursively?\
+        \nTry updating submodules with: git submodule update --init")
+    endif()
+    add_subdirectory(osm2pgsql)
+
+    find_package(Threads REQUIRED)
+
+    unset(PostgreSQL_TYPE_INCLUDE_DIR CACHE)
+    set(PostgreSQL_TYPE_INCLUDE_DIR "/usr/include/")
+    find_package(PostgreSQL REQUIRED)
+    include_directories(${PostgreSQL_INCLUDE_DIRS})
+    link_directories(${PostgreSQL_LIBRARY_DIRS})
+
+    find_program(PYOSMIUM pyosmium-get-changes)
+    if (NOT EXISTS "${PYOSMIUM}")
+        set(PYOSMIUM_PATH "")
+            message(WARNING "pyosmium-get-changes not found (required for updates)")
+    else()
+        set(PYOSMIUM_PATH "${PYOSMIUM}")
+        message(STATUS "Using pyosmium-get-changes at ${PYOSMIUM_PATH}")
+    endif()
+
+
+    find_program(PG_CONFIG pg_config)
+    execute_process(COMMAND ${PG_CONFIG} --pgxs
+                    OUTPUT_VARIABLE PGXS
+                    OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+    if (NOT EXISTS "${PGXS}")
+        message(FATAL_ERROR "Postgresql server package not found.")
+    endif()
+
+    find_package(ZLIB REQUIRED)
+
+    find_package(BZip2 REQUIRED)
+
+    find_package(LibXml2 REQUIRED)
+    include_directories(${LIBXML2_INCLUDE_DIR})
+
+    # Setting PHP binary variable as to command line (prevailing) or auto detect
+    if (NOT PHP_BIN)
+         find_program (PHP_BIN php)
+    endif()
+    # sanity check if PHP binary exists
+    if (NOT EXISTS ${PHP_BIN})
+        message(FATAL_ERROR "PHP binary not found. Install php or provide location with -DPHP_BIN=/path/php ")
+    endif()
+    message (STATUS "Using PHP binary " ${PHP_BIN})
 endif()
 
-find_package(ZLIB REQUIRED)
-
-find_package(BZip2 REQUIRED)
-
-find_package(LibXml2 REQUIRED)
-include_directories(${LIBXML2_INCLUDE_DIR})
-
-# Setting PHP binary variable as to command line (prevailing) or auto detect
-if (NOT PHP_BIN)
-     find_program (PHP_BIN php)
-endif()
-# sanity check if PHP binary exists
-if (NOT EXISTS ${PHP_BIN})
-    message(FATAL_ERROR "PHP binary not found. Install php or provide location with -DPHP_BIN=/path/php ")
-endif()
-message (STATUS "Using PHP binary " ${PHP_BIN})
-
 #-----------------------------------------------------------------------------
 #
 # Setup settings and paths
@@ -143,26 +146,30 @@ endforeach()
 #
 #-----------------------------------------------------------------------------
 
-include(CTest)
+if (NOT ONLY_DOCS)
+    include(CTest)
 
-set(TEST_BDD db osm2pgsql api)
+    set(TEST_BDD db osm2pgsql api)
 
-foreach (test ${TEST_BDD})
-    add_test(NAME bdd_${test}
-             COMMAND lettuce features/${test}
-             WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/tests)
-    set_tests_properties(bdd_${test}
-        PROPERTIES ENVIRONMENT "NOMINATIM_DIR=${PROJECT_BINARY_DIR}")
-endforeach()
+    foreach (test ${TEST_BDD})
+        add_test(NAME bdd_${test}
+                 COMMAND lettuce features/${test}
+                 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/tests)
+        set_tests_properties(bdd_${test}
+            PROPERTIES ENVIRONMENT "NOMINATIM_DIR=${PROJECT_BINARY_DIR}")
+    endforeach()
 
-add_test(NAME php
-         COMMAND phpunit ./
-         WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/tests-php)
+    add_test(NAME php
+             COMMAND phpunit ./
+             WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/tests-php)
+endif()
 
 #-----------------------------------------------------------------------------
 
-add_subdirectory(module)
-add_subdirectory(nominatim)
+if (NOT ONLY_DOCS)
+    add_subdirectory(module)
+    add_subdirectory(nominatim)
+endif()
 add_subdirectory(docs)
 
 #-----------------------------------------------------------------------------
-- 
2.39.5