1 files changed, 90 insertions, 0 deletions

diff --git a/Mk/Uses/openal.mk b/Mk/Uses/openal.mk
new file mode 100644
index 000000000000..6cf49a2a3919
--- /dev/null
+++ b/Mk/Uses/openal.mk
@@ -0,0 +1,90 @@
+# $FreeBSD$
+#
+# Handle dependency on OpenAL
+#
+# MAINTAINER: portmgr@FreeBSD.org
+#
+# Feature:	openal
+# Usage:	USES=openal or USES=openal:ARGS
+# Valid ARGS:	al, soft (default), si, alut
+#
+# User-specified OpenAL wish:
+# Usage:	WANT_OPENAL=ARG
+# Valid ARG:	soft (default), si
+#
+#
+.if !defined(_INCLUDE_USES_OPENAL_MK)
+_INCLUDE_USES_OPENAL_MK=	yes
+
+_valid_ARGS=	al si soft alut
+_openal_ARGS=	${openal_ARGS:C/,/ /g}
+
+_si_DEPENDS=	libopenal.so.0:${PORTSDIR}/audio/openal
+_soft_DEPENDS=	libopenal.so.1:${PORTSDIR}/audio/openal-soft
+_alut_DEPENDS=	libalut.so.1:${PORTSDIR}/audio/freealut
+
+_OPENAL_LIBS=	si soft
+_DEFAULT_OPENAL=	soft
+
+.if exists(${LOCALBASE}/lib/libopenal.a)
+_HAVE_OPENAL=	si
+.elif exists(${LOCALBASE}/bin/openal-info)
+_HAVE_OPENAL=	soft
+.endif
+
+# Be friendly
+.if ! defined(openal_ARGS)
+_openal_ARGS=	${_DEFAULT_OPENAL}
+.endif
+
+# Sanity checks
+.if defined(WANT_OPENAL) && defined(_HAVE_OPENAL) && ${_HAVE_OPENAL} != ${WANT_OPENAL}
+IGNORE=	OpenAL mismatch: ${_HAVE_OPENAL} is installed, but ${WANT_OPENAL} desired
+.endif
+
+.if defined(_openal_ARGS)
+.  for _arg in ${_openal_ARGS}
+.    if ! ${_valid_ARGS:M${_arg}}
+IGNORE=	Incorrect 'USES+= openal:${openal_ARGS}' usage: argument [${_arg}] is not recognized
+.    endif
+.    if ${_OPENAL_LIBS:M${_arg}} && ${_openal_ARGS:Mal}
+IGNORE=	Incorrect 'USES+= openal:${openal_ARGS}' usage: argument [${_arg}] cannot be used together with al
+.    endif
+.    if ${_OPENAL_LIBS:M${_arg}} && defined(_HAVE_OPENAL) && ${_HAVE_OPENAL} != ${_arg}
+IGNORE=	OpenAL mismatch: port wants to use ${_arg} while you have ${_HAVE_OPENAL}
+.    endif
+.    if ${_OPENAL_LIBS:M${_arg}} && defined(WANT_OPENAL) && ${WANT_OPENAL} != ${_arg}
+IGNORE=	OpenAL mismatch: port wants to use ${_arg} while you wish to use ${WANT_OPENAL}
+.    endif
+.    if ${_OPENAL_LIBS:M${_arg}}
+.      for _carg in ${_OPENAL_LIBS:N${_arg}}
+.        if ${_openal_ARGS:M${_carg}}
+IGNORE=	Incorrect 'USES+= openal:${openal_ARGS}' usage: arguments [${_arg}] and [${_carg}] cannot be used together
+.        endif
+.      endfor
+.    endif
+.  endfor
+.endif
+
+# Proceed
+_USE_OPENAL=
+
+.if ${_openal_ARGS:Mal}
+.if defined(_HAVE_OPENAL)
+_USE_OPENAL=	${_HAVE_OPENAL}
+.elif defined(WANT_OPENAL)
+_USE_OPENAL=	${WANT_OPENAL}
+.else
+_USE_OPENAL=	${_DEFAULT_OPENAL}
+.endif
+.endif
+
+.for _arg in ${_openal_ARGS:Nal}
+_USE_OPENAL+=	${_arg}
+.endfor
+
+.for _arg in ${_USE_OPENAL}
+LIB_DEPENDS+=	${_${_arg}_DEPENDS}
+.endfor
+
+.endif