From 84a9b8750e5a7716d145b2b8bc2a2d955fb2e122 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Thu, 15 Mar 2007 23:44:10 +0000 Subject: [PATCH] build system: produce link map. Rather useful when you are wondering why your busybox is much bigger that you hoped for. --- Makefile | 2 +- scripts/trylink | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/Makefile b/Makefile index ddc8b25e6..71ebf8f4a 100644 --- a/Makefile +++ b/Makefile @@ -563,7 +563,7 @@ busybox-all := $(core-y) $(libs-y) # May be overridden by arch/$(ARCH)/Makefile quiet_cmd_busybox__ ?= LINK $@ cmd_busybox__ ?= $(srctree)/scripts/trylink $(CC) $(LDFLAGS) \ - -o $@ \ + -o $@ -Wl,-M \ -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \ -Wl,--start-group $(busybox-all) -Wl,--end-group diff --git a/scripts/trylink b/scripts/trylink index 3ac249c73..1cd50c6ed 100755 --- a/scripts/trylink +++ b/scripts/trylink @@ -6,7 +6,7 @@ try() { added="$1" shift $debug && echo "Trying: $* $added" - "$@" $added >/dev/null 2>&1 \ + "$@" $added >busybox.map 2>busybox_ld.err \ && exit 0 } @@ -14,5 +14,5 @@ try "" "$@" try "-lm" "$@" try "-lcrypt" "$@" try "-Wl,--start-group -lcrypt -lm -Wl,--end-group" "$@" -# It failed. Rerun & let people see the error messages -"$@" $added +# It failed. Let people see the error messages +cat busybox_ld.err