audacia/m4/audacity_checklib_lv2.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_lv2.m4 serial 3
AC_DEFUN([AUDACITY_CHECKLIB_LV2], [
AC_ARG_WITH(lv2,
[AS_HELP_STRING([--with-lv2],
[use for adding LV2 plug-in support])],
LV2_ARGUMENT=$withval,
LV2_ARGUMENT="unspecified")
dnl see if lv2 is installed on the system
PKG_CHECK_MODULES(LV2, [lv2 >= 1.16 lilv-0 >= 0.24.4 suil-0 >= 0.10.4],
LV2_SYSTEM_AVAILABLE="yes",
LV2_SYSTEM_AVAILABLE="no")
if test "$LV2_SYSTEM_AVAILABLE" = "yes"; then
AC_MSG_NOTICE([LV2 libraries are available as system libraries])
else
AC_MSG_NOTICE([LV2 libraries are NOT available as system libraries])
fi
dnl see if LV2 is available locally
AC_CHECK_FILE(${srcdir}/lib-src/lv2/configure,
LV2_LOCAL_AVAILABLE="yes",
LV2_LOCAL_AVAILABLE="no")
if test "$LV2_LOCAL_AVAILABLE" = "yes"; then
AC_MSG_NOTICE([LV2 libraries are available in the local tree])
else
AC_MSG_NOTICE([LV2 libraries are NOT available in the local tree])
fi
])
AC_DEFUN([AUDACITY_CONFIG_LV2], [
if test "$LV2_USE_LOCAL" = yes; then
LV2_CFLAGS+=' -I$(top_builddir)/lib-src/lv2/build/include'
LV2_CFLAGS+=' -I$(top_builddir)/lib-src/lv2/build/include/lilv-0'
LV2_CFLAGS+=' -I$(top_builddir)/lib-src/lv2/build/include/suil-0'
LV2_LIBS='$(top_builddir)/lib-src/lv2/build/lib/lib*.a'
AC_CONFIG_SUBDIRS([lib-src/lv2])
fi
AC_SUBST([LV2_CFLAGS])
AC_SUBST([LV2_LIBS])
AM_CONDITIONAL([USE_LV2], [test "$LV2_USE_LOCAL" = yes -o "$LV2_USE_SYSTEM" = yes])
AM_CONDITIONAL([USE_LOCAL_LV2], [test "$LV2_USE_LOCAL" = yes])
if test "$LV2_USE_LOCAL" = yes -o "$LV2_USE_SYSTEM" = yes; then
AC_DEFINE(USE_LV2, 1,
[Define if LV2 support should be enabled])
fi
])