This fixes builds, ninja-build should work.

The images.h was being created in the build
directory.  This fixes that.

CMakeLists.txt

@@ -88,6 +88,14 @@ add_subdirectory(zf_log)
 # )
 # add_executable(yourProj ${SOURCES})
 
+add_custom_command(
+    OUTPUT images.h
+    COMMAND ./build_images.sh
+    DEPENDS ansi-to-src ghost.ans ghead.ans wolf.ans panther.ans bat.ans skull.ans skull-blink.ans icu.ans
+    COMMENT "Generating images.h"
+    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+)
+
 add_executable(hharry hharry.cpp lastseen.cpp terminal.cpp render.cpp utils.cpp images.h wordplay.cpp charman.cpp)
 target_link_libraries(hharry util)
 target_link_libraries(hharry zf_log)
@@ -102,11 +110,4 @@ add_executable(ansi-to-src ansi-to-src.cpp utils.cpp)
 add_executable(images images.cpp utils.cpp images.h)
 target_link_libraries(images zf_log)
 
-# Or possibly ./build_images.sh
 
-add_custom_command(
-    OUTPUT images.h
-    COMMAND ../build_images.sh
-    DEPENDS ansi-to-src ghost.ans ghead.ans wolf.ans panther.ans bat.ans skull.ans skull-blink.ans icu.ans
-    COMMENT "Generating images.h."
-)