New package - pulseaudio (#19378)

This PR adds the pulseaudio package and the speexdsp package as a
dependency. In addition, this PR adds a `libs` property to the libtool
package.

var/spack/repos/builtin/packages/libtool/package.py

@@ -42,6 +42,12 @@ def determine_version(cls, exe):
     def autoreconf(self, spec, prefix):
         Executable('./bootstrap')()
 
+    @property
+    def libs(self):
+        return find_libraries(
+            ['libltdl'], root=self.prefix, recursive=True, shared=True
+        )
+
     def _make_executable(self, name):
         return Executable(join_path(self.prefix.bin, name))
 

var/spack/repos/builtin/packages/pulseaudio/package.py

@@ -0,0 +1,93 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class Pulseaudio(AutotoolsPackage):
+    """PulseAudio is a sound system for POSIX OSes, meaning that it is a proxy
+    for your sound applications.
+
+    PulseAudio is a sound system for POSIX OSes, meaning that it is a proxy for
+    your sound applications. It allows you to do advanced operations on your
+    sound data as it passes between your application and your hardware. Things
+    like transferring the audio to a different machine, changing the sample
+    format or channel count and mixing several sounds into one are easily
+    achieved using a sound server."""
+
+    homepage = "https://www.freedesktop.org/wiki/Software/PulseAudio/"
+    url      = "https://freedesktop.org/software/pulseaudio/releases/pulseaudio-13.0.tar.xz"
+
+    version('13.0',    sha256='961b23ca1acfd28f2bc87414c27bb40e12436efcf2158d29721b1e89f3f28057')
+
+    variant('alsa', default=False, description='alsa support')
+    variant('fftw', default=False, description='FFTW support')
+    variant('gconf', default=False, description='Gconf support')
+    variant('openssl', default=False,
+            description='openSSL support (used for Airtunes/RAOP)')
+    variant('x11', default=False, description='x11 support')
+
+    depends_on('alsa-lib@1.0.19:', when='+alsa')
+    depends_on('dbus@1.4.12:')
+    depends_on('fftw@3:', when='+fftw')
+    depends_on('gdbm')
+    depends_on('gettext@0.18.1:')
+    depends_on('glib')
+    depends_on('gconf', when='+gconf')
+    depends_on('json-c@0.11:')
+    depends_on('libcap')
+    depends_on('libiconv')
+    depends_on('libsndfile@1.0.18:')
+    depends_on('libtool@2.4:')  # links to libltdl.so
+    depends_on('libsm', when='+x11')
+    depends_on('libuuid', when='+x11')
+    depends_on('libx11', when='+x11')
+    depends_on('libxcb', when='+x11')
+    depends_on('libxau', when='+x11')
+    depends_on('libxext', when='+x11')
+    depends_on('libxi', when='+x11')
+    depends_on('libxtst', when='+x11')
+    depends_on('openssl', when='+openssl')
+    depends_on('perl-xml-parser', type='build')
+    depends_on('speexdsp@1.2:')
+
+    def configure_args(self):
+        args = [
+            '--disable-systemd-daemon',
+            '--disable-systemd-journal',
+            '--disable-systemd-login',
+            '--disable-udev',
+            '--disable-waveout',
+            '--enable-dbus',
+            '--enable-glib2',
+            '--with-database=gdbm',
+            '--with-systemduserunitdir=no',
+            'CPPFLAGS={0}'.format(self.spec['libtool'].headers.cpp_flags),
+            'LDFLAGS={0}'.format(self.spec['libtool'].libs.search_flags),
+        ]
+
+        # toggle based on variants
+        args += self.enable_or_disable('alsa')
+        args += self.enable_or_disable('gconf')
+        args += self.enable_or_disable('openssl')
+        args += self.enable_or_disable('x11')
+        args += self.with_or_without('fftw')
+
+        # possible future variants
+        args.extend([
+            '--disable-asyncns',
+            '--disable-avahi',
+            '--disable-bluez5',
+            '--disable-gcov',
+            '--disable-gsettings',
+            '--disable-gtk3',
+            '--disable-hal-compat',
+            '--disable-jack',
+            '--disable-lirc',
+            '--disable-orc',
+            '--disable-tcpwrap',
+        ])
+
+        return args

var/spack/repos/builtin/packages/speexdsp/mkl.patch

@@ -0,0 +1,11 @@
+--- a/configure.ac	2019-04-25 22:57:34.000000000 -0500
++++ b/configure.ac	2020-10-16 11:40:00.577784873 -0500
+@@ -266,7 +266,7 @@
+ #include <mkl.h>
+ void func() {
+   DFTI_DESCRIPTOR_HANDLE h;
+-  MKL_LONG result=DftiCreateDescriptor(&h, DFTI_SINGLE, DFTI_REAL, 0);
++  MKL_LONG result=DftiCreateDescriptor(&h, DFTI_SINGLE, DFTI_REAL, 0, 1);
+ }]])],
+    [AC_MSG_RESULT(yes)],
+    [AC_MSG_FAILURE([Failed to compile MKL test program. Make sure you set CFLAGS to include the include directory and set LDFLAGS to include the library directory and all necesarry libraries.])]

var/spack/repos/builtin/packages/speexdsp/package.py

@@ -0,0 +1,43 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class Speexdsp(AutotoolsPackage):
+    """SpeexDSP is a patent-free, Open Source/Free Software DSP library."""
+
+    homepage = "https://github.com/xiph/speexdsp"
+    url      = "https://github.com/xiph/speexdsp/archive/SpeexDSP-1.2.0.tar.gz"
+
+    version('1.2.0', sha256='d7032f607e8913c019b190c2bccc36ea73fc36718ee38b5cdfc4e4c0a04ce9a4')
+
+    depends_on('autoconf', type='build')
+    depends_on('automake', type='build')
+    depends_on('libtool',  type='build')
+    depends_on('m4',       type='build')
+
+    depends_on('fftw-api')
+
+    patch('mkl.patch')
+
+    def autoreconf(self, spec, prefix):
+        autoreconf('--install', '--verbose', '--force')
+
+    def configure_args(self):
+        args = []
+
+        if 'intel-mkl' in self.spec:
+            # get the blas libs explicitly to avoid scalapack getting returned
+            args.extend([
+                '--with-fft=proprietary-intel-mkl',
+                'CPPFLAGS={0}'.format(
+                    self.spec['intel-mkl'].headers.cpp_flags),
+                'LDFLAGS={0}'.format(self.spec['blas'].libs.ld_flags),
+            ])
+        elif 'fftw' in self.spec:
+            args.append('--with-fft=gpl-fftw3')
+
+        return args