From: Keith Packard <keithp@keithp.com>
Date: Sun, 25 Sep 2022 20:55:04 +0000 (-0700)
Subject: altos: Use -ffunction-sections -fdata-sections
X-Git-Tag: 1.9.13~1^2~26^2~63
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=643a1f736d2e57c577458d0e4d2948718d90b301

altos: Use -ffunction-sections -fdata-sections

This allows the linker to discard unused functions.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/Makefile.defs b/src/Makefile.defs
index d9b71997..f9387b07 100644
--- a/src/Makefile.defs
+++ b/src/Makefile.defs
@@ -23,6 +23,7 @@ OPT=-Os -Wl,-Map=$(PROGNAME)-$(VERSION).map
 
 PICOLIBC_CFLAGS= \
 	-specs=picolibc.specs \
+	-Wl,--gc-sections -ffunction-sections -fdata-sections \
 	$(PICOLIBC_PRINTF_CFLAGS)
 
 AO_CFLAGS=\