mirror of
https://github.com/cookiengineer/audacity
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58 lines
2.4 KiB
Plaintext
58 lines
2.4 KiB
Plaintext
dnl Add Audacity / libsamplerate license?
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dnl Please increment the serial number below whenever you alter this macro
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dnl for the benefit of automatic macro update systems
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# audacity_checklib_libsamplerate.m4 serial 4
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AC_DEFUN([AUDACITY_CHECKLIB_LIBSAMPLERATE], [
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AC_ARG_WITH(libsamplerate,
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[AS_HELP_STRING([--with-libsamplerate],
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[use libsamplerate for sample rate conversion])],
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LIBSAMPLERATE_ARGUMENT=$withval,
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LIBSAMPLERATE_ARGUMENT="unspecified")
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dnl see if libsamplerate is installed on the system
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PKG_CHECK_MODULES(LIBSAMPLERATE_SYSTEM, samplerate >= 0.1.2,
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LIBSAMPLERATE_SYSTEM_AVAILABLE="yes",
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LIBSAMPLERATE_SYSTEM_AVAILABLE="no")
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dnl the unusual choice of prefix above avoids having to re-assign the variables
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dnl generates by PKG_CHECK_MODULES, which will be LIBSAMPLERATE_SYSTEML_LIBS and
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dnl so on.
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if test "$LIBSAMPLERATE_SYSTEM_AVAILABLE" = "yes" ; then
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AC_MSG_NOTICE([Libsamplerate libraries are available as system libraries])
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else
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AC_MSG_NOTICE([Libsamplerate libraries are NOT available as system libraries])
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fi
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dnl see if libsamplerate is available in the local tree
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AC_CHECK_FILE(${srcdir}/lib-src/libsamplerate/src/samplerate.h,
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LIBSAMPLERATE_LOCAL_AVAILABLE="yes",
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LIBSAMPLERATE_LOCAL_AVAILABLE="no")
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if test "$LIBSAMPLERATE_LOCAL_AVAILABLE" = "yes" ; then
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AC_MSG_NOTICE([libsamplerate libraries are available in the local tree])
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else
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AC_MSG_NOTICE([libsamplerate libraries are NOT available in the local tree])
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fi
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])
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AC_DEFUN([AUDACITY_CONFIG_LIBSAMPLERATE], [
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if test "$LIBSAMPLERATE_USE_LOCAL" = yes; then
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SAMPLERATE_CFLAGS='-I$(top_srcdir)/lib-src/libsamplerate/src'
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SAMPLERATE_LIBS='$(top_builddir)/lib-src/libsamplerate/libsamplerate.a'
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AC_CONFIG_SUBDIRS([lib-src/libsamplerate])
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fi
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AC_SUBST([SAMPLERATE_CFLAGS])
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AC_SUBST([SAMPLERATE_LIBS])
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AM_CONDITIONAL([USE_LIBSAMPLERATE], [test "$LIBSAMPLERATE_USE_LOCAL" = yes -o "$LIBSAMPLERATE_USE_SYSTEM" = yes])
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AM_CONDITIONAL([USE_LOCAL_LIBSAMPLERATE], [test "$LIBSAMPLERATE_USE_LOCAL" = yes])
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if test "$LIBSAMPLERATE_USE_LOCAL" = yes -o "$LIBSAMPLERATE_USE_SYSTEM" = yes; then
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AC_DEFINE(USE_LIBSAMPLERATE, 1,
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[Define if libsamplerate support should be enabled])
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fi
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])
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