1.9.14 on MinGW/waf + build guide (#495)

* Add guide for compiling on MinGW using waf * Update wscripts and guide for MinGW * Fix README_MINGW typos * Add instructions for ASIO support * Update jackd example * Patch for metadata support on Windows * Update VS project for building JackRouter * JackRouter/VS: add int redefinition fix to all build configurations * VS: ignore Visual Studio build files and user settings * Revise and extend README_MINGW * Fix typos in README_MINGW * Update MinGW build guide * Replace MAX_PATH with PATH_MAX (win32) * Include limits.h in JackMetadata.h Co-authored-by: Schrödinger's Cat <6382400+Schroedingers-Cat@users.noreply.github.com>
4 years ago · cfb85b0143
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,10 @@ __pycache__
 android/.server/
 android/.client/
 codeBlocks

 # Visual Studio files
 *.vcxproj.user
 windows/JackRouter/.vs
 windows/JackRouter/Debug
 windows/JackRouter/Release
 windows/JackRouter/Release64
--- a/common/JackMetadata.cpp
+++ b/common/JackMetadata.cpp
@@ -68,20 +68,20 @@ JackMetadata::~JackMetadata()
    if (fIsEngine)
    {
        // cleanup after libdb, nasty!
        snprintf (dbpath, sizeof(dbpath), "%s/jack_db/metadata.db", jack_server_dir);
        snprintf (dbpath, sizeof(dbpath), "%s/jack_db/metadata.db", fDBFilesDir);
        remove (dbpath);

        snprintf (dbpath, sizeof(dbpath), "%s/jack_db/__db.001", jack_server_dir);
        snprintf (dbpath, sizeof(dbpath), "%s/jack_db/__db.001", fDBFilesDir);
        remove (dbpath);

        snprintf (dbpath, sizeof(dbpath), "%s/jack_db/__db.002", jack_server_dir);
        snprintf (dbpath, sizeof(dbpath), "%s/jack_db/__db.002", fDBFilesDir);
        remove (dbpath);

        snprintf (dbpath, sizeof(dbpath), "%s/jack_db/__db.003", jack_server_dir);
        snprintf (dbpath, sizeof(dbpath), "%s/jack_db/__db.003", fDBFilesDir);
        remove (dbpath);

        // remove our custom dir
        snprintf (dbpath, sizeof(dbpath), "%s/jack_db", jack_server_dir);
        snprintf (dbpath, sizeof(dbpath), "%s/jack_db", fDBFilesDir);
        rmdir (dbpath);
    }
 #endif
@@ -94,6 +94,16 @@ int JackMetadata::PropertyInit()
    int ret;
    char dbpath[PATH_MAX + 1];

 #ifdef WIN32
    ret = GetTempPathA (PATH_MAX, fDBFilesDir);
    if ((ret > PATH_MAX) || (ret == 0)) {
        jack_error ("cannot get path for temp files");
        return -1;
    }
 #else
    strncpy (fDBFilesDir, jack_server_dir, PATH_MAX);
 #endif

    /* idempotent */

    if (fDBenv) {
@@ -105,8 +115,12 @@ int JackMetadata::PropertyInit()
        return -1;
    }

    snprintf (dbpath, sizeof(dbpath), "%s/jack_db", jack_server_dir);
    snprintf (dbpath, sizeof(dbpath), "%s/jack_db", fDBFilesDir);
 #ifdef WIN32
    mkdir (dbpath);
 #else
    mkdir (dbpath, S_IRWXU | S_IRWXG);
 #endif

    if ((ret = fDBenv->open (fDBenv, dbpath, DB_CREATE | DB_INIT_LOCK | DB_INIT_MPOOL | DB_THREAD, 0)) != 0) {
        jack_error ("cannot open DB environment: %s", db_strerror (ret));
@@ -118,7 +132,7 @@ int JackMetadata::PropertyInit()
        return -1;
    }

    snprintf (dbpath, sizeof(dbpath), "%s/jack_db/metadata.db", jack_server_dir);
    snprintf (dbpath, sizeof(dbpath), "%s/jack_db/metadata.db", fDBFilesDir);
    if ((ret = fDB->open (fDB, NULL, dbpath, NULL, DB_HASH, DB_CREATE | DB_THREAD, 0666)) != 0) {
        jack_error ("Cannot open metadata DB at %s: %s", dbpath, db_strerror (ret));
        fDB->close (fDB, 0);
--- a/common/JackMetadata.h
+++ b/common/JackMetadata.h
@@ -31,6 +31,7 @@
 #endif

 #include <stdint.h>
 #include <limits.h>

 #if HAVE_DB
 #include <db.h>
@@ -88,6 +89,7 @@ class JackMetadata
        DB* fDB;
        DB_ENV* fDBenv;
        const bool fIsEngine;
        char fDBFilesDir[PATH_MAX + 1];
    #endif

        int PropertyInit();
--- a/common/wscript
+++ b/common/wscript
@@ -197,6 +197,12 @@ def build(bld):
    if bld.env['IS_SUN']:
        clientlib.env.append_value('LINKFLAGS', '-lnsl -lsocket')

    if bld.env['IS_WINDOWS']:
        # statically link libjack to libstdc++, some client apps like ardour come
        # with a different version of libstdc++.dll that takes precedence and results
        # in missing symbols during runtime
        clientlib.env.append_value('LINKFLAGS', ['-static-libstdc++', '--disable-auto-import'])

    if bld.variant:
        # if there is variant defined, we expect it to be the 32bit client lib one
        # we don't want to build other stuff in this variant
--- a/windows/JackRouter/JackRouter_MinGW_deps.sln
+++ b/windows/JackRouter/JackRouter_MinGW_deps.sln
@@ -0,0 +1,25 @@

 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
 VisualStudioVersion = 15.0.27703.2018
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "JackRouter_MinGW_deps", "JackRouter_MinGW_deps.vcxproj", "{08E8BE85-76F9-4070-B85E-0CA6A38BCBB4}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
 		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{08E8BE85-76F9-4070-B85E-0CA6A38BCBB4}.Debug|x64.ActiveCfg = Debug|x64
 		{08E8BE85-76F9-4070-B85E-0CA6A38BCBB4}.Debug|x64.Build.0 = Debug|x64
 		{08E8BE85-76F9-4070-B85E-0CA6A38BCBB4}.Release|x64.ActiveCfg = Release|x64
 		{08E8BE85-76F9-4070-B85E-0CA6A38BCBB4}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {14794710-1A0E-40AE-99C4-98C59280F0C3}
 	EndGlobalSection
 EndGlobal
--- a/windows/JackRouter/JackRouter_MinGW_deps.vcxproj
+++ b/windows/JackRouter/JackRouter_MinGW_deps.vcxproj
@@ -0,0 +1,287 @@
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--- a/windows/README_MINGW
+++ b/windows/README_MINGW
@@ -0,0 +1,270 @@
 HOW TO COMPILE JACK USING WAF AND MINGW
 =======================================

 Rev. 1 - 2019-09-01 - First version
 Rev. 2 - 2019-09-18 - Include contributions from @Schroedingers-Cat
 Rev. 3 - 2019-12-14 - Include contributions from @Schroedingers-Cat



 Introduction
 ------------

 This guide contains detailed instructions for building JACK on a modern MinGW
 installation. It was conceived as the starting point for unifying the JACK build
 process across all platforms.

 As this is work in progress, there are still a couple of caveats:

 - Asynchronous mode is unusable with low latencies
 - JackRouter still builds using a Visual Studio project
 - Lots of real world testing is needed



 Creating the development environment
 ------------------------------------

 This guide uses MSYS2 as the toolchain, it can be found at https://www.msys2.org/
 It comes as a handy installer called msys2-x86_64-{version}.exe. Once installed:

 - Open "MSYS2 MinGW 64-bit terminal" from the MSYS2 start menu shortcuts

 - Upgrade base MSYS2 packages

 pacman -Suy

 It is possible pacman ends with the following banner:

 warning: terminate MSYS2 without returning to shell and check for updates again
 warning: for example close your terminal window instead of calling exit

 In such case close the MSYS2 window, re-open, and run pacman -Suy again.

 - Install required packages

 pacman -S mingw-w64-x86_64-toolchain patch autoconf make \
 gettext-devel automake libtool pkgconfig p7zip unzip git python

 - Replace the GCC compiler with a version configured for SJLJ exceptions, as
 instructed by the original Windows build instructions (windows/README)

 Prebuilt binaries can be found at
 https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win64/

 Look for "x86_64-posix-sjlj" under "MinGW-W64 GCC-{version}", the file should be
 called x86_64-{version}-release-posix-sjlj-rt_v6-rev0.7z

 Or just download from a direct link (GCC 8.1.0):

 wget https://downloads.sourceforge.net/project/mingw-w64/Toolchains%20targetting%20Win64/Personal%20Builds/mingw-builds/8.1.0/threads-posix/sjlj/x86_64-8.1.0-release-posix-sjlj-rt_v6-rev0.7z

 Once downloaded:

 p7zip -d x86_64-8.1.0-release-posix-sjlj-rt_v6-rev0.7z

 That will decompress to a folder called mingw64 in the working directory.
 Now replace the files from the previous mingw-w64-x86_64-toolchain package
 installation:

 mv /mingw64 /mingw64.bak   -> backup original
 rm /mingw64                -> see explanation below
 mv mingw64 /               -> sjlj toolchain

 The first step results in a new file called mingw64 file being created in /. The
 file is not visible to the Windows File Explorer when inspecting C:\msys64, so
 it is probably an artifact and safe to delete it in the second step. Otherwise
 the last mv step will fail with:

 mv: cannot overwrite non-directory '/mingw64' with directory 'mingw64'

 An alternate solution consists in closing the MSYS2 window and replicating the
 above procedure using the File Explorer. The following assumes the toolchain 7z
 file was decompressed to the home directory:

 Rename C:\msys64\mingw64 to C:\msys64\mingw64.bak
 Move C:\msys64\home\{username}\mingw64 to C:\msys64

 Make sure gcc runs and it is the expected version:

 $ gcc --version
 gcc.exe (x86_64-posix-sjlj-rev0, Built by MinGW-W64 project) {version}



 Preparing JACK dependencies
 ---------------------------

 There are prebuilt MinGW binaries for all the libraries that can be installed
 using the pacman package manager, but since we are using a compiler that is not
 the default version shipped by MinGW, it seems better idea to build from source
 to avoid any linker and runtime issues. A good technical explanation and/or
 evidence for this statement is currently missing from this guide.

 Fortunately there are PKGBUILD files for doing so together with a nice guide at
 https://github.com/msys2/MINGW-packages

 git clone https://github.com/msys2/MINGW-packages.git

 Before building libraries, adjust the includes path:

 export C_INCLUDE_PATH=/mingw64/include

 The basic procedure for building and installing libraries is:

 cd MINGW-packages/mingw-w64-{libname}
 MINGW_INSTALLS=mingw64 makepkg-mingw -sLf
 pacman -U mingw-w64-{libname}-{suffix}.pkg.tar.xz

 Repeat the procedure for each library listed below replacing {libname} with the
 appropriate name and {suffix} with whatever the above process creates. Keep the
 recommended build order, for example libsamplerate depends on libsndfile, and
 libsystre depends on libtre-git. libsystre is a wrapper around libtre that
 allows including <regex.h> later.

 Some libraries like libsndfile and libsamplerate will ask for installing extra
 dependencies, it is ok to do so.

 For low latency audio it is recommended to build portaudio with ASIO support, so
 the Steinberg ASIO SDK should be manually downloaded beforehand. It can be found
 at https://www.steinberg.net/en/company/developers.html. The waf script will
 later check if the SDK is present at /opt/asiosdk

 wget https://www.steinberg.net/asiosdk -O /tmp/asiosdk.zip
 unzip /tmp/asiosdk.zip -d /tmp
 mkdir /opt   <- MinGW does not create /opt during installation
 mv /tmp/asiosdk_{version}_{date} /opt/asiosdk

 The description file in portaudio (MINGW-packages/mingw-w64-portaudio/PKGBUILD)
 needs to be patched so configure is called with the necessary flags for ASIO:

 --with-asiodir=/opt/asiosdk   <- new option     
 --with-winapi=wmme,directx,wasapi,vdmks,asio   <- append 'asio' to existing

 Both static and shared library versions of portaudio are built. To prevent
 errors while building the shared version or recompiling static, also insert the
 following lines in PKGBUILD after the first make call (around line 60) and after
 second make (around line 70):

 find /opt/asiosdk -name "*.lo" -type f -delete
 find /opt/asiosdk -name "*.o" -type f -delete

 Finally here is the list of libraries to build:

 db
 libsndfile
 libsamplerate
 libtre-git
 libsystre
 portaudio



 Compiling JACK
 --------------

 - Clone repo

 git clone https://github.com/jackaudio/jack2

 - Build and install

 cd jack2
 ./waf configure --prefix=/opt/jack && ./waf -p install

 The resulting files can be found at /c/opt/jack/bin, or C:\msys64\opt\jack\bin



 Compiling JackRouter
 --------------------

 Visual Studio with MFC support is needed to build the included JackRouter VS
 project. The project was tested to successfully generate a 64bit version of
 JackRouter.dll using Visual Studio 2017 and 2019. MFC support can be added from
 the VS installer, by selecting Workloads/Visual C++ build tools/Visual C++ MFC
 for x86 and x64 (valid for VS 2017). Once ready, just open and build the project

 windows/JackRouter/JackRouter_MinGW_deps.vcxproj

 Differences from the original JackRouter.vcxproj:

 - Depends on the asiosdk files from the previous MinGW JACK installation (i.e.,
  it points to absolute paths starting with C:\msys64\opt)
 - Links to the jack.dll.a created by the previous build, instead of libjack.lib
  This means JackRouter.dll will currently depend on libjack-0.dll
 - Force includes stdint.h and defines _STDINT_H to avoid int8_t, int32_t and
  uint32_t basic types redefinition during compilation



 Running and distributing
 ------------------------

 An automated installation process should copy files to two destinations. One for
 the JACK server binary and standalone tools, and another for the client library.
 The latter is needed by JACK enabled applications in order to be able to connect
 to the server.

 - Create a directory named C:\Program Files\Jack (can be anything else)
 - Copy all files in C:\msys64\opt\jack\bin to C:\Program Files\Jack
 - Copy the following DLLs from C:\msys64\mingw64\bin to C:\Program Files\Jack,
 these are dependencies for the JACK server and tools:

 libstdc++-6.dll
 libdb-6.0.dll
 libsndfile-1.dll
 libsamplerate-0.dll
 libportaudio-2.dll
 libgcc_s_sjlj-1.dll
 libwinpthread-1.dll
 libtre-5.dll
 libsystre-0.dll

 - Copy and rename the following files from C:\msys64\opt\jack\bin to C:\Windows
 to make libjack available to clients:

 libjackserver-0.dll   -> libjackserver64.dll
 libjack-0.dll         -> libjack64.dll

 - Copy the following files from C:\msys64\mingw64\bin to C:\Windows, these are
 dependencies for libjack. C:\Windows is the directory the current official JACK
 1.9.11 binary installer targets, a better solution should be devised to avoid
 cluttering the Windows directory:

 libgcc_s_sjlj-1.dll
 libwinpthread-1.dll
 libtre-5.dll
 libsystre-0.dll

 - Copy JackRouter.dll from windows\JackRouter\Release64 to C:\Program Files\Jack
 This allows non-JACK applications to connect to the server through a special
 ASIO driver that routes audio to JACK instead of a physical audio device.
 Also copy libjack-0.dll from C:\msys64\mingw64\bin to C:\Program Files\Jack
 because JackRouter depends on libjack but will check for libjack-0.dll instead
 of the system-wide libjack64.dll previously copied to C:\Windows. Once done,
 JackRouter needs to be registered:

 regsvr32 JackRouter.dll

 Tested working clients:
 Ardour
 Bitwig Studio
 QJackCtl
 JackRouter

 Example of starting the JACK server including MIDI support for a Focusrite USB
 audio device using ASIO:
 jackd -R -S -X winmme -d portaudio -p 32 -r 48000 -d "ASIO::Focusrite USB ASIO"



 Development tools and links
 ---------------------------

 http://www.dependencywalker.com/
 https://docs.microsoft.com/en-us/sysinternals/downloads/procmon
 https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/gflags
 https://blogs.msdn.microsoft.com/junfeng/2006/11/20/debugging-loadlibrary-failures/
 https://stackoverflow.com/questions/15852677/static-and-dynamic-shared-linking-with-mingw
 https://github.com/EddieRingle/portaudio/blob/master/src/hostapi/asio/ASIO-README.txt
--- a/wscript
+++ b/wscript
@@ -212,6 +212,14 @@ def configure(conf):
    if conf.env['IS_WINDOWS']:
        conf.env.append_unique('CCDEFINES', '_POSIX')
        conf.env.append_unique('CXXDEFINES', '_POSIX')
        if Options.options.platform == 'msys':
            conf.env.append_value('INCLUDES', ['/mingw64/include'])
            conf.check(
                header_name='asio.h',
                includes='/opt/asiosdk/common',
                msg='Checking for ASIO SDK',
                define_name='HAVE_ASIO',
                mandatory=False)

    conf.env.append_unique('CFLAGS', '-Wall')
    conf.env.append_unique('CXXFLAGS', '-Wall')
@@ -369,8 +377,13 @@ def configure(conf):
        # existing install paths that use ADDON_DIR rather than have to
        # have special cases for windows each time.
        conf.env['ADDON_DIR'] = conf.env['BINDIR'] + '/jack'
        # don't define ADDON_DIR in config.h, use the default 'jack' defined in
        # windows/JackPlatformPlug_os.h
        if Options.options.platform == 'msys':
            conf.define('ADDON_DIR', 'jack')
            conf.define('__STDC_FORMAT_MACROS', 1) # for PRIu64
        else:
            # don't define ADDON_DIR in config.h, use the default 'jack' defined in
            # windows/JackPlatformPlug_os.h
            pass
    else:
        conf.env['ADDON_DIR'] = os.path.normpath(os.path.join(conf.env['LIBDIR'], 'jack'))
        conf.define('ADDON_DIR', conf.env['ADDON_DIR'])