[PATCH] libc/newlib: Add optspace config for newlib
Zhenqiang Chen
zhenqiang.chen@linaro.org
Tue Nov 22 11:28:00 GMT 2011
# HG changeset patch
# User Zhenqiang Chen <zhenqiang.chen@linaro.org>
# Date 1321942694 -28800
# Node ID b28457252771ed67373226ced85317a6c03aac74
# Parent a6c68712024f406df7d2da4af377f51982615833
libc/newlib: Add LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE (-Os) other than -O to
control CFLAGS.
Reviewed-by: Michael Hope
Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>
diff --git a/config/libc/newlib.in.2 b/config/libc/newlib.in.2
--- a/config/libc/newlib.in.2
+++ b/config/libc/newlib.in.2
@@ -35,3 +35,11 @@
_write... If you plan to port newlib to a new
platform/board, say Yes.
+config LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE
+ bool
+ prompt "Optimize newlib for size"
+ default y
+ help
+ Pass --enable-target-optspace to newlib configure.
+
+ This will compile newlib with -Os.
diff --git a/scripts/build/libc/newlib.sh b/scripts/build/libc/newlib.sh
--- a/scripts/build/libc/newlib.sh
+++ b/scripts/build/libc/newlib.sh
@@ -85,6 +85,8 @@
newlib_opts+=( "--enable-newlib-supplied-syscalls" )
fi
+ [ "${CT_LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE}" = "y" ] && newlib_opts+=("--enable-target-optspace")
+
# Note: newlib handles the build/host/target a little bit differently
# than one would expect:
# build : not used
--
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