audacia/m4/audacity_checklib_portaudio.m4

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dnl Please increment the serial number below whenever you alter this macro
dnl for the benefit of automatic macro update systems
# audacity_checklib_portaudio.m4 serial 2
AC_DEFUN([AUDACITY_CHECKLIB_PORTAUDIO], [
AC_ARG_WITH(portaudio,
[AS_HELP_STRING([--with-portaudio], [use portaudio19])],
PORTAUDIO_ARGUMENT=$withval,
PORTAUDIO_ARGUMENT="unspecified")
dnl see if portaudio is installed on the system
PKG_CHECK_MODULES(PORTAUDIO, portaudio-2.0 >= 19,
PORTAUDIO_SYSTEM_AVAILABLE="yes",
PORTAUDIO_SYSTEM_AVAILABLE="no")
if test "$PORTAUDIO_SYSTEM_AVAILABLE" = "yes"; then
AC_EGREP_HEADER([Pa_GetStreamHostApiType], [portaudio.h],
[have_portaudio_support=yes], [have_portaudio_support=no])
if test "$have_portaudio_support" = "yes"; then
PORTAUDIO_SYSTEM_AVAILABLE="yes"
AC_MSG_NOTICE([portaudio19 library is available as system library])
else
PORTAUDIO_SYSTEM_AVAILABLE="no"
AC_MSG_NOTICE([portaudio19 library is available as system library, but does not have the Pa_GetStreamHostApiType function.])
fi
else
AC_MSG_NOTICE([portaudio19 library is NOT available as system library])
fi
dnl see if portaudio is available locally
AC_CHECK_FILE(${srcdir}/lib-src/portaudio-v19/include/portaudio.h,
PORTAUDIO_LOCAL_AVAILABLE="yes",
PORTAUDIO_LOCAL_AVAILABLE="no")
if test "$PORTAUDIO_LOCAL_AVAILABLE" = "yes"; then
dnl We need to override the pkg-config check for portmixer by passing
dnl PORTAUDIO_CFLAGS and PORTAUDIO_LIBS to the configure script of portmixer.
pa_dir="$(pwd)/${srcdir}/lib-src/portaudio-v19"
PORTAUDIO_LOCAL_CONFIGURE_ARGS="PORTAUDIO_CFLAGS=-I${pa_dir}/include PORTAUDIO_LIBS=${pa_dir}/lib/libportaudio.la"
AC_MSG_NOTICE([portaudio19 library is available in the local tree])
else
AC_MSG_NOTICE([portaudio19 library is NOT available in the local tree])
fi
])
AC_DEFUN([AUDACITY_CONFIG_PORTAUDIO], [
if test "$PORTAUDIO_USE_LOCAL" = yes; then
PORTAUDIO_CFLAGS='-I$(top_srcdir)/lib-src/portaudio-v19/include'
PORTAUDIO_LIBS='$(top_builddir)/lib-src/portaudio-v19/lib/libportaudio.la'
AC_CONFIG_SUBDIRS([lib-src/portaudio-v19])
fi
AC_SUBST([PORTAUDIO_CFLAGS])
AC_SUBST([PORTAUDIO_LIBS])
AM_CONDITIONAL([USE_LOCAL_PORTAUDIO], [test "$PORTAUDIO_USE_LOCAL" = yes])
])