From 9b2bed8e412f2f8e5f9a8ec4b0f0dbf5431a113d Mon Sep 17 00:00:00 2001
From: Simon Michael <simon@joyful.com>
Date: Fri, 25 Mar 2022 07:42:28 -1000
Subject: [PATCH] tools: make buildtimes: show GHC codegen times

---
 Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile b/Makefile
index 90212d8f3..10f0b9703 100644
--- a/Makefile
+++ b/Makefile
@@ -248,6 +248,10 @@ build: \
 	$(call def-help,build, download dependencies and build hledger executables (with stack))
 	$(STACK) build
 
+buildtimes: \
+	$(call def-help,buildtimes, build hledger-lib showing just the GHC codegen time and allocation for each module)
+	$(STACK) build hledger-lib --force-dirty --ghc-options='-fforce-recomp -ddump-timings' 2>&1 | grep ^CodeGen
+
 # check-setup: \
 # 	$(call def-help,check-setup,\
 # 	run some tests to validate the development environment\