From 35a21f2a83aed46dc401f354ea10f7658f29e3ff Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Mon, 24 Dec 2018 11:35:15 -0500
Subject: build system: version.sh: generate macro for date of last git commit.

---
 sysinfo/version.sh | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/sysinfo/version.sh b/sysinfo/version.sh
index 1a73794..a9e5992 100755
--- a/sysinfo/version.sh
+++ b/sysinfo/version.sh
@@ -54,11 +54,20 @@ fi
 cd "$srcdir"
 
 gitver=$(git rev-parse --verify HEAD 2>/dev/null) || gitver="unknown"
-macro=$(echo "$prefix"_GIT_VERSION | tr '[:lower:]' '[:upper:]')
+cvdate=$(git show -s --format=%ci $gitver)
 
+vmacro=$(printf '%s' "$prefix"'_GIT_VERSION' | tr '[:lower:]' '[:upper:]')
+dmacro=$(printf '%s' "$prefix"'_GIT_DATE   ' | tr '[:lower:]' '[:upper:]')
+
+
+# three
 cd "$workdir"
-mkdir  -p $(dirname "$output")
-printf "#define $macro\t\"$gitver\"\n" > "$output"
+mkdir -p $(dirname "$output")
+
+printf '#define %s "%s"\n#define %s "%s"\n' \
+		"$vmacro" "$gitver" \
+		"$dmacro" "$cvdate" \
+	> "$output"
 
 # all done
 exit 0
-- 
cgit v1.2.3