New way of injecting version information

Also, this fixes some incorrect headers and adds --version flags to
programs which didn't yet have them.

1 files changed, 4 insertions, 0 deletions

diff --git a/libcrystfel/src/libcrystfel-version.c.cmake.in b/libcrystfel/src/libcrystfel-version.c.cmake.in
new file mode 100644
index 00000000..513d7871
--- /dev/null
+++ b/libcrystfel/src/libcrystfel-version.c.cmake.in
@@ -0,0 +1,4 @@
+const char *libcrystfel_version_string()
+{
+	return "${CRYSTFEL_VERSION}";
+}