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package/binutils: handle gprofng as an optional feature

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binutils 2.39 added support for gprofng, a new profiler (see
https://www.phoronix.com/news/GNU-Profiler-gprofng).

This new profiler is enabled by default, but it requires bison on the
host.

In order to handle this, this commit:

 - Adds a new option BR2_BINUTILS_GPROFNG, which allows to
   enable/disable gprofng in host-binutils

 - Unconditionnally disables gprofng for the target binutils, based on
   the idea that in a Buildroot context the analysis of profiling data
   is generally done on the host system. This can of course always be
   revisited later by adding a new option to the target binutils
   package.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Thomas Petazzoni 2022-08-13 12:51:51 +02:00 committed by Yann E. MORIN
parent a09768a3c1
commit 7ff21f8d4b
2 changed files with 14 additions and 0 deletions
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6
package/binutils/Config.in.host
View File

@ -34,6 +34,12 @@ config BR2_BINUTILS_VERSION
default "2.38" if BR2_BINUTILS_VERSION_2_38_X default "2.38" if BR2_BINUTILS_VERSION_2_38_X
default "2.39" if BR2_BINUTILS_VERSION_2_39_X default "2.39" if BR2_BINUTILS_VERSION_2_39_X
config BR2_BINUTILS_GPROFNG
bool "gprofng support"
depends on BR2_BINUTILS_VERSION_2_39_X
help
This option enables support for gprofng, a new profiler.
config BR2_BINUTILS_EXTRA_CONFIG_OPTIONS config BR2_BINUTILS_EXTRA_CONFIG_OPTIONS
string "Additional binutils options" string "Additional binutils options"
default "" default ""

8
package/binutils/binutils.mk
View File

@ -52,6 +52,7 @@ BINUTILS_CONF_OPTS = \
--enable-install-libiberty \ --enable-install-libiberty \
--enable-build-warnings=no \ --enable-build-warnings=no \
--with-system-zlib \ --with-system-zlib \
--disable-gprofng \
$(BINUTILS_DISABLE_GDB_CONF_OPTS) \ $(BINUTILS_DISABLE_GDB_CONF_OPTS) \
$(BINUTILS_EXTRA_CONFIG_OPTIONS) $(BINUTILS_EXTRA_CONFIG_OPTIONS)
@ -91,6 +92,13 @@ HOST_BINUTILS_CONF_OPTS = \
$(BINUTILS_DISABLE_GDB_CONF_OPTS) \ $(BINUTILS_DISABLE_GDB_CONF_OPTS) \
$(BINUTILS_EXTRA_CONFIG_OPTIONS) $(BINUTILS_EXTRA_CONFIG_OPTIONS)
ifeq ($(BR2_BINUTILS_GPROFNG),y)
HOST_BINUTILS_DEPENDENCIES += host-bison
HOST_INBUTILS_CONF_OPTS += --enable-gprofng
else
HOST_INBUTILS_CONF_OPTS += --disable-gprofng
endif
# binutils run configure script of subdirs at make time, so ensure # binutils run configure script of subdirs at make time, so ensure
# our TARGET_CONFIGURE_ARGS are taken into consideration for those # our TARGET_CONFIGURE_ARGS are taken into consideration for those
BINUTILS_MAKE_ENV = $(TARGET_CONFIGURE_ARGS) BINUTILS_MAKE_ENV = $(TARGET_CONFIGURE_ARGS)