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pkg-cmake: allow to build package in a subdirectory

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For some cmake based packages, like GNURadio, it's forbidden to do the
compilation directly in the sources directory. This patch add a new
variable to specify, if needed, the name of a sub-directory used to compile.

[Thomas: put the documentation at the right place in the manual, not
in the middle of the <pkg>_CONF_OPTS description.]

Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Tested-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Reviewed-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Gwenhael Goavec-Merou 2015-03-13 09:24:08 +01:00 committed by Thomas Petazzoni
parent 68443c52dd
commit 604c92043b
2 changed files with 16 additions and 2 deletions
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4
docs/manual/adding-packages-cmake.txt
View File

@ -107,6 +107,10 @@ typical packages will therefore only use a few of them.
** +BUILD_EXAMPLE+, +BUILD_EXAMPLES+ are disabled;
** +BUILD_TEST+, +BUILD_TESTS+, +BUILD_TESTING+ are disabled.
* +LIBFOO_SUPPORTS_IN_SOURCE_BUILD = NO+ should be set when the package
cannot be built inside the source tree but needs a separate build
directory.
* +LIBFOO_MAKE+, to specify an alternate +make+ command. This is
typically useful when parallel make is enabled in the configuration
(using +BR2_JLEVEL+) but that this feature should be disabled for

14
package/pkg-cmake.mk
View File

@ -61,7 +61,15 @@ $(2)_INSTALL_STAGING_OPTS ?= DESTDIR=$$(STAGING_DIR) install
$(2)_INSTALL_TARGET_OPTS ?= DESTDIR=$$(TARGET_DIR) install
$(2)_SRCDIR = $$($(2)_DIR)/$$($(2)_SUBDIR)
$(3)_SUPPORTS_IN_SOURCE_BUILD ?= YES
ifeq ($$($(3)_SUPPORTS_IN_SOURCE_BUILD),YES)
$(2)_BUILDDIR = $$($(2)_SRCDIR)
else
$(2)_BUILDDIR = $$($(2)_SRCDIR)/buildroot-build
endif
#
# Configure step. Only define it if not already defined by the package
@ -73,7 +81,8 @@ ifeq ($(4),target)
# Configure package for target
define $(2)_CONFIGURE_CMDS
(cd $$($$(PKG)_BUILDDIR) && \
(mkdir -p $$($$(PKG)_BUILDDIR) && \
cd $$($$(PKG)_BUILDDIR) && \
rm -f CMakeCache.txt && \
PATH=$$(BR_PATH) \
$$($$(PKG)_CONF_ENV) $$(HOST_DIR)/usr/bin/cmake $$($$(PKG)_SRCDIR) \
@ -98,7 +107,8 @@ else
# Configure package for host
define $(2)_CONFIGURE_CMDS
(cd $$($$(PKG)_BUILDDIR) && \
(mkdir -p $$($$(PKG)_BUILDDIR) && \
cd $$($$(PKG)_BUILDDIR) && \
rm -f CMakeCache.txt && \
PATH=$$(BR_PATH) \
$$(HOST_DIR)/usr/bin/cmake $$($$(PKG)_SRCDIR) \