Merge pull request #140 from hussainnaqvee/patch-1

[awesomized/libmemcached] / CMake / InstallPublicHeaders.cmake

diff --git a/CMake/InstallPublicHeaders.cmake b/CMake/InstallPublicHeaders.cmake
index 56ebb0c42247df0b8b8058711189021b181d3cf1..7943ddb2eb03be2912d5f93fc1135d3b6442af21 100644 (file)
--- a/CMake/InstallPublicHeaders.cmake
+++ b/CMake/InstallPublicHeaders.cmake
@@ -1,13 +1,49 @@
-function(install_public_headers DIRECTORY)
-    foreach(HEADER IN LISTS ARGN)
-        file(READ ${HEADER} HEADER_IN)
-        string(REGEX REPLACE "include *\"([^\"]+)\"" "include <\\1>" HEADER_OUT "${HEADER_IN}")
-        file(GENERATE
-                OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${HEADER}
-                CONTENT "${HEADER_OUT}"
-                )
-        install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${HEADER}
+macro(install_public_headers DIRECTORY)
+    # validate current directory
+    string(FIND ${CMAKE_CURRENT_SOURCE_DIR} /include/ INCDIR REVERSE)
+    string(FIND ${CMAKE_CURRENT_SOURCE_DIR} /src/ SRCDIR REVERSE)
+    if((INCDIR GREATER_EQUAL 0) OR (SRCDIR GREATER_EQUAL 0))
+        if(INCDIR GREATER_EQUAL 0)
+            math(EXPR POSITION "${INCDIR} + 9")
+        else()
+            math(EXPR POSITION "${SRCDIR} + 5")
+        endif()
+        string(SUBSTRING ${CMAKE_CURRENT_SOURCE_DIR} ${POSITION} -1 CHKDIR)
+        if(NOT "${CHKDIR}" STREQUAL "${DIRECTORY}")
+            message(SEND_ERROR "install_public_headers() directories do not match: '${CHKDIR}' != '${DIRECTORY}'")
+            set(ENV{INVALID_CONFIGURATION} 1)
+        endif()
+    endif()
+
+    string(REGEX MATCH "^[^/-]+" LIBRARY "${DIRECTORY}")
+
+    # validate public interface version
+    string(FIND "${DIRECTORY}" "-" DASH)
+    if(DASH GREATER 0)
+        string(SUBSTRING "${DIRECTORY}" 0 ${DASH} LIBRARY_BASE)
+        string(TOUPPER ${LIBRARY_BASE} LIBRARY_UCASE)
+        math(EXPR DASH "${DASH} + 1")
+        string(SUBSTRING "${DIRECTORY}" ${DASH} -1 VERSION)
+        if(NOT ${LIBRARY_UCASE}_VERSION_INC VERSION_EQUAL ${VERSION})
+            message(SEND_ERROR "${LIBRARY_BASE} public include directory version ${VERSION} != " ${${LIBRARY_UCASE}_VERSION_INC})
+            set(ENV{INVALID_CONFIGURATION} 1)
+        endif()
+    endif()
+
+    # change local includes to system includes
+    foreach(HEADER IN ITEMS ${ARGN})
+        if(HEADER MATCHES "^@")
+            string(SUBSTRING ${HEADER} 1 -1 HEADER)
+            configure_file(${HEADER}.in ${HEADER})
+            set(HEADER "${CMAKE_CURRENT_BINARY_DIR}/${HEADER}")
+        else()
+            set(HEADER "${CMAKE_CURRENT_SOURCE_DIR}/${HEADER}")
+        endif()
+        install(FILES ${HEADER}
+                COMPONENT dev
                 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${DIRECTORY}
                 )
+        list(APPEND ${LIBRARY}_includes ${HEADER})
     endforeach()
-endfunction()
+    set(${LIBRARY}_includes "${${LIBRARY}_includes}" PARENT_SCOPE)
+endmacro()