ExternalVendorCode/crosstool-ng
1
0
Fork 0
mirror of https://github.com/crosstool-ng/crosstool-ng.git synced 2025-04-13 22:23:04 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

libc/eglibc: Add option to optimize for size

Browse Source 
Add an option to eglibc to optimize for size using -Os.

Signed-off-by: Richard Strand <richard.strand@icomera.com>
This commit is contained in:
Richard Strand 2010-02-01 12:56:28 +00:00
parent 8d01c33fd1
commit 22fca0106e
2 changed files with 14 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
config/libc/eglibc.in
View File

@ -95,6 +95,13 @@ config EGLIBC_CHECKOUT
Note that crosstool-NG will *not* update your working copy, you will
have to do that yourself.
config EGLIBC_OPT_SIZE
bool
prompt "optimize eglibc for size (-Os)"
help
Optimize eglibc for size using -Os instead of -O2. This will make eglibc
smaller but may make it slower.
config EGLIBC_CUSTOM_CONFIG
bool
prompt "Use custom configuration file"

8
scripts/build/libc/eglibc.sh
View File

@ -259,6 +259,12 @@ do_libc() {
CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
fi
if [ "${CT_EGLIBC_OPT_SIZE}" = "y" ]; then
OPTIMIZE=-Os
else
OPTIMIZE=-O2
fi
# Add some default glibc config options if not given by user.
# We don't need to be conditional on wether the user did set different
# values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
@ -301,7 +307,7 @@ do_libc() {
CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
BUILD_CC="${CT_BUILD}-gcc" \
CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O2" \
CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} ${OPTIMIZE}" \
CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
AR=${CT_TARGET}-ar \
RANLIB=${CT_TARGET}-ranlib \