fix Revision.cc generation

CMakeLists.txt

@@ -40,13 +40,23 @@ find_package(resource_file QUIET)
 
 # Git metadata
 
-add_custom_target(newserv-Revision-cc ALL COMMAND ./Revision-generate.sh WORKING_DIRECTORY src)
+add_custom_command(
+    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/src/Revision.cc ${CMAKE_CURRENT_BINARY_DIR}/src/__Revision__.cc
+    COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/src/Revision-generate.sh ${CMAKE_CURRENT_BINARY_DIR}/src/Revision.cc
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/src
+)
+add_custom_target(
+    newserv-Revision-cc
+    ALL
+    DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/src/Revision.cc ${CMAKE_CURRENT_BINARY_DIR}/src/__Revision__.cc
+)
 
 
 
 # Executable definition
 
 set(SOURCES
+    ${CMAKE_CURRENT_BINARY_DIR}/src/Revision.cc
     src/AFSArchive.cc
     src/BattleParamsIndex.cc
     src/BMLArchive.cc

src/Revision-generate.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+OUTPUT_FILENAME="$1"
+
 GIT_REVISION_HASH=$(git rev-parse --short HEAD)
 TIMESTAMP_SECS=$(date +%s)
 
@@ -11,7 +13,7 @@ else
   fi
 fi
 
-cat > Revision.cc <<EOF
+cat > $OUTPUT_FILENAME <<EOF
 #include "Revision.hh"
 
 const char* GIT_REVISION_HASH = "$GIT_REVISION_HASH";