MDEV-5749 Please add a .pc file to MariaDB for easy use via pkg-config

1 files changed, 77 insertions, 0 deletions

diff --git a/cmake/for_clients.cmake b/cmake/for_clients.cmake
new file mode 100644
index 00000000000..7667e59e8f6
--- /dev/null
+++ b/cmake/for_clients.cmake
@@ -0,0 +1,77 @@
+#
+# Generate LIBS and CFLAGS that third-party clients should use
+#
+
+# Use cmake variables to inspect dependencies for 
+# mysqlclient library (add -l stuff)
+SET(CLIENT_LIBS "")
+SET(LIBS "")
+
+# Avoid compatibility warning about lists with empty elements
+IF(POLICY CMP0011)
+  CMAKE_POLICY(SET CMP0011 NEW)
+ENDIF()
+IF(POLICY CMP0007)
+  CMAKE_POLICY(SET CMP0007 OLD)
+ENDIF()
+
+# Extract dependencies using CMake's internal ${target}_LIB_DEPENDS variable
+# returned string in ${var} is can be passed to linker's command line
+MACRO(EXTRACT_LINK_LIBRARIES target var)
+  IF(${target}_LIB_DEPENDS)
+    LIST(REMOVE_ITEM ${target}_LIB_DEPENDS "")
+    LIST(REMOVE_DUPLICATES ${target}_LIB_DEPENDS)
+    FOREACH(lib ${${target}_LIB_DEPENDS})
+      # Filter out "general", it is not a library, just CMake hint
+      # Also, remove duplicates
+      IF(NOT lib STREQUAL "general" AND NOT ${var}  MATCHES "-l${lib} ")
+        IF (lib MATCHES "^\\-l")
+          SET(${var} "${${var}} ${lib} ") 
+        ELSEIF(lib MATCHES "^/")
+          IF (lib MATCHES "\\.(a|so([0-9.]*)|lib|dll|dylib)$")
+            # Full path, convert to just filename, strip "lib" prefix and extension
+            GET_FILENAME_COMPONENT(lib "${lib}" NAME_WE)
+            STRING(REGEX REPLACE "^lib" "" lib "${lib}")
+            SET(${var} "${${var}}-l${lib} " ) 
+          ENDIF()
+        ELSE()
+          SET(${var} "${${var}}-l${lib} " ) 
+        ENDIF()
+      ENDIF()
+    ENDFOREACH()
+  ENDIF()
+  IF(MSVC)
+    STRING(REPLACE "-l" "" ${var} "${${var}}")
+  ENDIF()
+ENDMACRO()
+
+EXTRACT_LINK_LIBRARIES(mysqlclient LIBS)
+EXTRACT_LINK_LIBRARIES(mysqlserver EMB_LIBS)
+
+SET(LIBS     "-lmysqlclient ${ZLIB_DEPS} ${LIBS} ${openssl_libs}")
+SET(EMB_LIBS "-lmysqld ${ZLIB_DEPS} ${EMB_LIBS} ${openssl_libs}")
+
+MACRO(REPLACE_FOR_CLIENTS VAR)
+  SET(v " ${${VAR}} ")
+  FOREACH(del ${ARGN})
+    STRING(REGEX REPLACE " -(${del}) " " " v ${v})
+  ENDFOREACH(del)
+  STRING(REGEX REPLACE " +" " " v ${v})
+  STRING(STRIP "${v}" ${VAR}_FOR_CLIENTS)
+ENDMACRO()
+
+# Remove some options that a client doesn't have to care about
+# FIXME until we have a --cxxflags, we need to remove -Xa
+#       and -xstrconst to make --cflags usable for Sun Forte C++
+# FIXME until we have a --cxxflags, we need to remove -AC99
+#       to make --cflags usable for HP C++ (aCC)
+REPLACE_FOR_CLIENTS(CFLAGS "[DU]DBUG_OFF" "[DU]SAFE_MUTEX" "[DU]NDEBUG"
+  "[DU]UNIV_MUST_NOT_INLINE" "[DU]FORCE_INIT_OF_VARS" "[DU]EXTRA_DEBUG" "[DU]HAVE_valgrind"
+  "O" "O[0-9]" "xO[0-9]" "W[-A-Za-z]*" "mtune=[-A-Za-z0-9]*" "g" "fPIC"
+  "mcpu=[-A-Za-z0-9]*" "unroll2" "ip" "mp" "march=[-A-Za-z0-9]*" "Xa"
+  "xstrconst" "xc99=none" "AC99" "restrict")
+
+# Same for --libs
+REPLACE_FOR_CLIENTS(LIBS lmtmalloc static-libcxa i-static static-intel)
+REPLACE_FOR_CLIENTS(EMB_LIBS lmtmalloc static-libcxa i-static static-intel)
+