Auto-generate repo_schema and compiler_id on build

.gitignore

@@ -39,6 +39,7 @@ hphp.log
 /src/runtime/tmp/run.sh
 /src/runtime/tmp/libtest.so
 /src/runtime/vm/repo_schema.h
+/src/runtime/base/compiler_id.h
 
 /src/hphpi/gen
 /src/hphpi/hphpi

bin/generate_compiler_id.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+cd ${HPHP_HOME}
+COMPILER_ID=`git describe --all --long --abbrev=40 --always`
+echo "#define COMPILER_ID \"${COMPILER_ID}\"" > src/runtime/base/compiler_id.h

bin/generate_repo_schema.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+cd ${HPHP_HOME}
+# Generate src/runtime/vm/repo_schema.h
+REPO_TREE=`git log -n1 --pretty=format:%T HEAD`
+REPO_MODS=`git diff --name-only HEAD`
+if [ "${REPO_MODS}" != "" ]; then
+  REPO_TREE=`
+  export GIT_INDEX_FILE=.git-index-$$$$;
+  git read-tree ${REPO_TREE};
+  git update-index --add --remove ${REPO_MODS};
+  git write-tree;
+  rm -f $GIT_INDEX_FILE`
+fi
+HHVM_REPO_SCHEMA=`git ls-tree --full-tree ${REPO_TREE} src/ | grep -v src/test | git hash-object --stdin`
+echo "#define REPO_SCHEMA \"${HHVM_REPO_SCHEMA}\"" > src/runtime/vm/repo_schema.h
+

src/CMakeLists.txt

@@ -25,7 +25,6 @@ else()
 	SET(USE_HHVM FALSE)
 endif()
 
-
 if (USE_HHVM)
 	ADD_DEFINITIONS("-DHHVM -DHHVM_BINARY=1 -DHHVM_PATH=\\\"${HPHP_HOME}/src/hhvm/hhvm\\\"")
 else()
@@ -149,7 +148,23 @@ foreach (CXX_FILE ${CXX_SOURCES})
 	endif()
 endforeach()
 
-ADD_LIBRARY(hphp_runtime_static STATIC ${CXX_SOURCES} ${C_SOURCES})
+add_custom_command(
+  OUTPUT runtime/base/compiler_id.h
+  COMMAND bin/generate_compiler_id.sh
+  DEPENDS ${CXX_SOURCES} ${C_SOURCES}
+  WORKING_DIRECTORY ${HPHP_HOME}
+  COMMENT "Generating Compiler ID"
+  VERBATIM)
+
+add_custom_command(
+  OUTPUT runtime/vm/repo_schema.h
+  COMMAND bin/generate_repo_schema.sh
+  DEPENDS ${CXX_SOURCES} ${C_SOURCES}
+  WORKING_DIRECTORY ${HPHP_HOME}
+  COMMENT "Generating Repo Schema ID"
+  VERBATIM)
+
+ADD_LIBRARY(hphp_runtime_static STATIC runtime/vm/repo_schema.h runtime/base/compiler_id.h ${CXX_SOURCES} ${C_SOURCES})
 #ADD_LIBRARY(hphp_runtime SHARED ${C_SOURCES} ${CXX_SOURCES})
 SET_TARGET_PROPERTIES(hphp_runtime_static PROPERTIES OUTPUT_NAME "hphp_runtime")
 SET_TARGET_PROPERTIES(hphp_runtime_static PROPERTIES PREFIX "lib")