diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/intro.cli | 54 |
1 files changed, 49 insertions, 5 deletions
diff --git a/doc/intro.cli b/doc/intro.cli index 362c63c..f4f690f 100644 --- a/doc/intro.cli +++ b/doc/intro.cli @@ -386,6 +386,10 @@ $ hello/hello World Hello, World! \ +\N|To see the actual compilation command lines, run \c{b\ -v} and for even +more details, run \c{b\ -V}. See \l{b(1)} for more information on these +and other build system options.| + In contrast, the Clang configuration has to be requested explicitly: \ @@ -403,9 +407,33 @@ $ ../hello-clang/hello/hello/hello World Hello, World! \ -\N|To see the actual compilation command lines, run \c{b\ -v} and for even -more details, run \c{b\ -V}. See \l{b(1)} for more information on these -and other build system options.| +As you can see, using the build system directly on configurations other than +the default requires explicitly specifying their paths. It would have been +more convenient if we could refer to them by names. The \l{bdep-update(1)} and +\l{bdep-test(1)} commands allow us to do exactly that: + +\ +$ bdep test @clang +c++ hello/cxx{hello}@../hello-clang/hello/hello/ +ld ../hello-clang/hello/hello/exe{hello} +test hello/test{testscript} ../hello-clang/hello/hello/exe{hello} +\ + +And we can also perform the desired build system operation on several (or +\c{--all|-a}) configurations at once: + +\ +$ bdep test @gcc @clang +in configuration @gcc: +test hello/test{testscript} ../hello-gcc/hello/hello/exe{hello} + +in configuration @clang: +test hello/test{testscript} ../hello-clang/hello/hello/exe{hello} +\ + +\N|As we will see later, the \l{bdep-test(1)} command also allows us to test +immediate (\c{--immediate|-i}) or all (\c{--recursive|-r}) dependencies of our +project.| While we are here, let's also check how hard it would be to cross-compile: @@ -416,7 +444,7 @@ created configuration @mingw /tmp/hello-mingw/ (auto-synchronized) synchronizing: new hello/0.1.0-a.0.19700101000000 -$ b ../hello-mingw/hello/ +$ bdep update @mingw c++ hello/cxx{hello}@../hello-mingw/hello/hello/ ld ../hello-mingw/hello/hello/exe{hello} \ @@ -427,7 +455,7 @@ on a properly setup GNU/Linux machine (that automatically uses \c{wine} as an \i{cross-testing}): \ -$ b test: ../hello-mingw/hello/ +$ bdep test @mingw test hello/test{testscript} ../hello-mingw/hello/hello/exe{hello} $ ../hello-mingw/hello/hello/hello.exe Windows @@ -850,6 +878,22 @@ $ bdep sync @gcc @clang $ bdep sync -c ../hello-mingw \ +After adding a new (or upgrading/downgrading existing) dependency, it's a good +idea to \i{deep-test} our project: run not only our own tests but also of its +immediate (\c{--immediate|-i}) or even all (\c{--recursive|-r}) dependencies. +For example: + +\ +$ bdep test -ai +in configuration @gcc: +test hello/test{testscript} ../hello-gcc/hello/hello/exe{hello} +test ../hello-gcc/libhello-1.0.0/tests/basics/exe{driver} + +in configuration @clang: +test hello/test{testscript} ../hello-clang/hello/hello/exe{hello} +test ../hello-clang/libhello-1.0.0/tests/basics/exe{driver} +\ + To get rid of a dependency, we simply remove it from the \c{manifest} file and synchronize the project. For example, assuming \c{libhello} is no longer mentioned as a dependency in our \c{manifests}: |