Work around the lack of definition of union semun per POSIX.

[brooks]

Summary

When feasible do this by adding -D_WANT_SEMUN to CFLAGS or CXXFLAGS.
Where this fails due to ports not honoring C*FLAGS, patch using
__FreeBSD_version to enable the definition.

NOTE: the patches currently use the un-updated __FreeBSD_version value. This will be corrected at commit time.

[brooks]

See also https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224443

[brooks]

• One more -D_WANT_SEMUN after new exprun.

[brooks]

• Work around the need for union semun, lack of mymsg, and struct name changes

[brooks]

• Rebase
• Remove no longer needed patches (fixed upstream and port updated).

[brooks]

• Update __FreeBSD_version to anticipated value.

head/audio/alsa-lib/Makefile

 CPE_VENDOR=     alsa
 GNU_CONFIGURE=  yes
 CONFIGURE_ENV=  ac_cv_header_endian_h=no
 CONFIGURE_ARGS=        --with-pkgconfdir="\$${prefix}/libdata/pkgconfig"
 INSTALL_TARGET= install-strip
 TEST_ENV=        ${MAKE_ENV} ALSA_CONFIG_PATH="${FILESDIR}/asound.conf.sample"
 TEST_TARGET=    check
 CPPFLAGS+=      -I${FILESDIR}
+CPPFLAGS+=      -D_WANT_SEMUN
 
 OPTIONS_DEFINE= PYTHON
 OPTIONS_SUB=    yes
 
 PYTHON_CONFIGURE_ENABLE=python
 PYTHON_USES=    python:2.7
 
 post-patch:     .SILENT

head/audio/gramofile/Makefile

 LIB_DEPENDS=    libfftw.so:math/fftw
 
 ALL_TARGET=     gramofile
 USES=           alias gmake ncurses perl5
 USE_CSTD=       gnu89
 MAKE_ARGS=        CC="${CC}" \
                 CXX="${CXX}" \
                 PERLCOREDIR=${PERLCOREDIR}
+CFLAGS+=        -D_WANT_SEMUN
 
 PERLCOREDIR=        ${LOCALBASE}/lib/perl5/${PERL_VER}/${PERL_ARCH}/CORE
 
 OPTIONS_DEFINE= DOCS
 
 post-patch:
         ${RM} ${WRKSRC}/debian/20-warning-fixes.dpatch
         for i in ${WRKSRC}/debian/*.dpatch; do \

head/audio/wavplay/Makefile

 # Created by: greg
 # $FreeBSD$
 
 PORTNAME=       wavplay
 PORTVERSION=    1.4
 PORTREVISION=   4
 CATEGORIES=     audio
 MASTER_SITES=   SUNSITE/apps/sound/players/
 
 MAINTAINER=     [e-mail]
 COMMENT=        Wav player and recorder
 
 LICENSE=        GPLv2 # only
 LICENSE_FILE=   ${WRKSRC}/COPYING
 
+CFLAGS+=        -D_WANT_SEMUN
+
 ONLY_FOR_ARCHS= amd64 armv6 armv7 i386
 
 INSTALL_TARGET=        install PREFIX="${STAGEDIR}${PREFIX}"
 
 PLIST_FILES=    bin/wavplay bin/wavrec man/man1/${PORTNAME}.1.gz
 
 post-patch:
         @${REINPLACE_CMD} -e 's|u_long|u_int|g' ${WRKSRC}/*.c ${WRKSRC}/*.h
 
 .include <bsd.port.mk>

head/audio/xmcd/Makefile

 RUN_DEPENDS+=   lame:audio/lame
 
 USES=           imake motif ncurses
 USE_XORG=        x11 xext xaw xmu xp xpm xt sm ice
 PLIST_SUB+=        RELEASE=${OSREL:R:R} ARCH=${ARCH} OPSYS=${OPSYS}
 SUB_FILES=      pkg-message
 PKGMESSAGE=     ${WRKDIR}/pkg-message
 
+CFLAGS+=        -D_WANT_SEMUN
+
 LIBBINDIR=        ${STAGEDIR}${PREFIX}/lib/X11/xmcd/bin-${OPSYS}_${OSREL:R:R}-${ARCH}
 
 BROKEN_aarch64=                Fails to compile: many undefined symbols in xorg.cf
 BROKEN_armv6=                Fails to install: strip: xmcd/bin-FreeBSD_12-armv6/cda failed: No such file or directory
 BROKEN_armv7=                Fails to install: strip: xmcd/bin-FreeBSD_12-armv7/cda failed: No such file or directory
 BROKEN_mips64=                Fails to compile: many undefined symbols in xorg.cf
 BROKEN_powerpc64=        Fails to compile: many undefined symbols in xorg.cf