Use configure_file instead of setting compile defs

This should avoid unnecessary recompiles of the whole project when the
git hash changes and the project is reconfigured.

1 files changed, 3 insertions, 0 deletions

diff --git a/gen/git_version.h.in b/gen/git_version.h.in
new file mode 100644
index 0000000..8732171
--- /dev/null
+++ b/gen/git_version.h.in
@@ -0,0 +1,3 @@
+#pragma once
+#cmakedefine GIT_DESCRIBE_TEXT ${GIT_DESCRIBE_TEXT}
+#cmakedefine GIT_COMMIT_HASH ${GIT_COMMIT_HASH}