From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yann E. MORIN Date: Sat, 2 Jul 2016 16:48:08 +0200 Subject: [Buildroot] [PATCH 2/3] cmake: add documentation about how it is built In-Reply-To: <1467388410-28135-3-git-send-email-luca@lucaceresoli.net> References: <1467388410-28135-1-git-send-email-luca@lucaceresoli.net> <1467388410-28135-3-git-send-email-luca@lucaceresoli.net> Message-ID: <20160702144807.GO22343@free.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Luca, All, On 2016-07-01 17:53 +0200, Luca Ceresoli spake thusly: > Commit 7b17bafc5d7948aff3059e058ada80ad1fc50500 by Davide Viti has a > detailed explanation of some unusual techniques used for building > host-cmake and (target-)cmake. This is useful information for whoever > starts hacking on it, so copy it in the makefile, where it will be > easily noticed. > > Also remove the sentence about host-cmake having a runtime dependency > on host-pkgconfig (not true anymore: it's the specific cmake-packages > that depend on it) and fix typos. > > Signed-off-by: Luca Ceresoli > Cc: Samuel Martin > Cc: Davide Viti > Cc: Arnout Vandecappelle > Cc: Thomas Petazzoni Reviewed-by: "Yann E. MORIN" Regards, Yann E. MORIN. > --- > package/cmake/cmake.mk | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/package/cmake/cmake.mk b/package/cmake/cmake.mk > index 33fb4aa..d734e03 100644 > --- a/package/cmake/cmake.mk > +++ b/package/cmake/cmake.mk > @@ -10,6 +10,18 @@ CMAKE_SITE = https://cmake.org/files/v$(CMAKE_VERSION_MAJOR) > CMAKE_LICENSE = BSD-3c > CMAKE_LICENSE_FILES = Copyright.txt > > +# CMake is a particular package: > +# * CMake can be built using the generic infrastructure or the cmake one. > +# Since Buildroot has no requirement regarding the host system cmake > +# program presence, it uses the generic infrastructure to build the > +# host-cmake package, then the (target-)cmake package can be built > +# using the cmake infrastructure; > +# * CMake bundles its dependencies within its sources. This is the > +# reason why the host-cmake package has no dependencies:, whereas > +# the (target-)cmake package has a lot of dependencies, using only > +# the system-wide libraries instead of rebuilding and statically > +# linking with the ones bundled into the CMake sources. > + > HOST_CMAKE_DEPENDENCIES = > CMAKE_DEPENDENCIES = zlib jsoncpp libcurl libarchive expat bzip2 xz > > -- > 2.7.4 > > _______________________________________________ > buildroot mailing list > buildroot at busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot -- .-----------------.--------------------.------------------.--------------------. | Yann E. MORIN | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: | | +33 662 376 056 | Software Designer | \ / CAMPAIGN | ___ | | +33 223 225 172 `------------.-------: X AGAINST | \e/ There is no | | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL | v conspiracy. | '------------------------------^-------^------------------^--------------------'