diff options
| -rw-r--r-- | Kconfig | 17 | ||||
| -rw-r--r-- | kconfig/targetbuildopts.kconfig | 67 | ||||
| -rw-r--r-- | mk/toolchain.mk | 7 |
3 files changed, 73 insertions, 18 deletions
@@ -44,22 +44,7 @@ source "kconfig/toolchain.kconfig" endmenu menu "Target build options" -config EMBTK_TARGET_COMPILER_CFLAGS - string "Additional compiler flags for your target" - help - Here you can change default flags passed to gcc when components of your - embedded system target are built: C library, packages, ... - By default we optimize for size. - default "-Os" -config EMBTK_TARGET_STRIPPED - bool "Strip target's binaries" - help - Say yes if you want to strip binaries (including libraries) generated - for your target embedded system. This will reduce the size of these - binaries. - Note: These binaries are only stripped if you choose to build a root - filesystem. - +source kconfig/targetbuildopts.kconfig endmenu menu "Debugging system" diff --git a/kconfig/targetbuildopts.kconfig b/kconfig/targetbuildopts.kconfig new file mode 100644 index 0000000..dba7def --- /dev/null +++ b/kconfig/targetbuildopts.kconfig @@ -0,0 +1,67 @@ +################################################################################ +# Abdoulaye Walsimou GAYE <awg@embtoolkit.org> +# Copyright(C) 2010 Abdoulaye Walsimou GAYE. All rights reserved. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +################################################################################ +# +# \file targetbuildopts.kconfig +# \brief Target build otions +# \author Abdoulaye Walsimou GAYE <awg@embtoolkit.org> +# \date October 2010 +################################################################################ + +choice + prompt "Generated libraries/binaries optimization" + help + Target binaries and libraries optimization for size or speed + (or no optimization). + + config EMBTK_TARGET_SIZE_OPTIMIZED + bool "Optimize for size" + help + Optimize target libraries and binaries for minimal size + (gcc -Os switch). + config EMBTK_TARGET_SPEED_OPTIMIZED + bool "Optimize for speed" + help + Optimize target libraries and binaries for speed + (gcc -O3 switch). + config EMBTK_TARGET_NONE_OPTIMIZED + bool "No optimization" + help + Do not optimize libraries and binaries at all. +endchoice + +config EMBTK_TARGET_WITH_DEBUG_DATA + bool "Build target's binaries and libraries with debug data" + help + Build target's binaries and libraries with debug data + (gcc -g switch). + +config EMBTK_TARGET_STRIPPED + bool "Strip target's binaries" + help + Say yes if you want to strip binaries (including libraries) + generated for your target embedded system. This will reduce the + size of these binaries. + Note: These binaries are only stripped if you choose to build a + root filesystem. + +config EMBTK_TARGET_COMPILER_CFLAGS + string "Additional compiler flags for your target" + help + Here you can change default flags passed to gcc when components + of your target are built: C library, packages, ... diff --git a/mk/toolchain.mk b/mk/toolchain.mk index 79eba33..d7fcec8 100644 --- a/mk/toolchain.mk +++ b/mk/toolchain.mk @@ -1,5 +1,5 @@ ################################################################################ -# Abdoulaye Walsimou GAYE, <awg@embtoolkit.org> +# Abdoulaye Walsimou GAYE <awg@embtoolkit.org> # Copyright(C) 2009-2010 Abdoulaye Walsimou GAYE. All rights reserved. # # This program is free software: you can redistribute it and/or modify @@ -19,7 +19,7 @@ # # \file toolchain.mk # \brief toolchain.mk of Embtoolkit -# \author Abdoulaye Walsimou GAYE, <awg@embtoolkit.org> +# \author Abdoulaye Walsimou GAYE <awg@embtoolkit.org> # \date May 2009 ################################################################################ @@ -33,6 +33,9 @@ TARGETSTRIP := $(TOOLS)/bin/$(STRICT_GNU_TARGET)-strip TARGETOBJDUMP := $(TOOLS)/bin/$(STRICT_GNU_TARGET)-objdump TARGETOBJCOPY := $(TOOLS)/bin/$(STRICT_GNU_TARGET)-objcopy TARGET_CFLAGS += $(subst ",,$(strip $(CONFIG_EMBTK_TARGET_COMPILER_CFLAGS))) +TARGET_CFLAGS += $(if $(CONFIG_EMBTK_TARGET_SIZE_OPTIMIZED),-Os,) +TARGET_CFLAGS += $(if $(CONFIG_EMBTK_TARGET_SPEED_OPTIMIZED),-O3,) +TARGET_CFLAGS += $(if $(CONFIG_EMBTK_TARGET_WITH_DEBUG_DATA),-g,) CROSS_COMPILE := $(TOOLS)/bin/$(STRICT_GNU_TARGET)- export TARGETCC TARGETCXX TARGETAR TARGETRANLIB TARGETLD TARGETNM |