libsamplerate: Build as internal library

Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D51666

lib/Makefile

@@ -92,6 +92,7 @@ SUBDIR=	${SUBDIR_BOOTSTRAP} \
 	librss \
 	librt \
 	librtld_db \
+	libsamplerate \
 	libsbuf \
 	libsmb \
 	libstdbuf \

lib/libsamplerate/Makefile

@@ -0,0 +1,18 @@
+.PATH:		${SRCTOP}/contrib/libsamplerate
+
+LIB=		samplerate
+INTERNALLIB=
+
+SRCS=		samplerate.c \
+		src_linear.c \
+		src_sinc.c \
+		src_zoh.c
+
+INCS=		samplerate.h
+
+CFLAGS+=	-DENABLE_SINC_BEST_CONVERTER \
+		-DENABLE_SINC_MEDIUM_CONVERTER \
+		-DENABLE_SINC_FAST_CONVERTER \
+		-I${SRCTOP}/contrib/libsamplerate
+
+.include <bsd.lib.mk>

share/mk/src.libnames.mk

@@ -72,6 +72,7 @@ _INTERNALLIBS=	\
 		pfctl \
 		pkgecc \
 		pmcstat \
+		samplerate \
 		sl \
 		sm \
 		smdb \
@@ -747,6 +748,9 @@ LIBC_NOSSP_PIC?=	${LIBC_NOSSP_PICDIR}/libc_nossp_pic.a
 LIBSYS_PICDIR=	${_LIB_OBJTOP}/lib/libsys
 LIBSYS_PIC?=	${LIBSYS_PICDIR}/libsys_pic.a
 
+LIBSAMPLERATEDIR?=	${_LIB_OBJTOP}/lib/libsamplerate
+LIBSAMPLERATE?=	${LIBSAMPLERATEDIR}/libsamplerate${PIE_SUFFIX}.a
+
 # Define a directory for each library.  This is useful for adding -L in when
 # not using a --sysroot or for meta mode bootstrapping when there is no
 # Makefile.depend.  These are sorted by directory.