Replace byacc with oyacc

byacc has an awk script to generate .c files

oyacc seems to work fine instead

steps/oyacc-6.6/mk/main.mk

@@ -0,0 +1,36 @@
+# SPDX-FileCopyrightText: 2019 Brian Callahan <bcallah@openbsd.org>
+# SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+#
+# SPDX-License-Identifier: CC0-1.0
+
+CC =		tcc
+CFLAGS =	-D__dead= -D__unused=
+LDFLAGS =   -static
+LIBS =      -lgetopt
+PREFIX =	/usr
+BINDIR =    /usr/bin
+MANDIR =	/usr/share/man
+PROG =		yacc
+
+OBJS =	closure.o error.o lalr.o lr0.o main.o mkpar.o output.o reader.o \
+	skeleton.o symtab.o verbose.o warshall.o portable.o
+
+all: ${PROG}
+
+${PROG}: ${OBJS}
+	${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LIBS}
+
+install: all
+	install -d ${DESTDIR}${BINDIR}
+	install -d ${DESTDIR}${MANDIR}
+	install -m 555 ${PROG} ${DESTDIR}${BINDIR}
+	install -m 555 yyfix.sh ${DESTDIR}${BINDIR}/yyfix
+
+test:
+	@echo "No tests"
+
+clean:
+	rm -f ${PROG} ${OBJS}
+
+distclean: clean
+	rm -f Makefile config.h

steps/oyacc-6.6/oyacc-6.6.checksums

@@ -0,0 +1,2 @@
+34daad98b980e2dd6ff7c4949598445aeb47a732c1751db5bc51a92aa89f4044  /usr/bin/yacc
+9d3a06dbcf75c3098dba17fab4e013bf91c78be163387b1f23862c2171b1b2c0  /usr/bin/yyfix

steps/oyacc-6.6/pass1.kaem

@@ -0,0 +1,46 @@
+#!/bin/sh
+
+# SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+set -ex
+
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
+mkdir build src
+cd build
+
+# Extract
+cp ${DISTFILES}/${pkg}.tar.gz ../src/${pkg}.tar.gz
+gunzip -f ../src/${pkg}.tar.gz
+tar xf ../src/${pkg}.tar
+rm -r ../src/
+cd ${pkg}
+
+# Prepare
+cp ../../mk/main.mk Makefile
+touch config.h
+patch -Np1 -i ../../patches/meslibc.patch
+patch -Np1 -i ../../patches/tcc.patch
+
+# Build
+make
+
+# Install
+make install
+
+cd ../..
+
+# Checksums
+if match x${UPDATE_CHECKSUMS} xTrue; then
+    sha256sum -o ${pkg}.checksums \
+        /usr/bin/yacc \
+        /usr/bin/yyfix
+
+    install ${pkg}.checksums ${SRCDIR}
+else
+    sha256sum -c ${pkg}.checksums
+fi

steps/oyacc-6.6/patches/meslibc.patch

@@ -0,0 +1,75 @@
+SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: BSD-3-Clause
+
+* paths.h does not exist, hardcode /tmp
+* mkstemp does not exist, replace with mktemp
+* getopt.h needs explicit inclusion
+* sig_atomic_t is undefineed
+
+--- oyacc-6.6/main.c	2025-02-05 14:14:48.552829130 +1100
++++ oyacc-6.6/main.c	2025-02-05 14:20:05.025828293 +1100
+@@ -35,7 +35,7 @@
+ 
+ #include <sys/types.h>
+ #include <fcntl.h>
+-#include <paths.h>
++#include <getopt.h>
+ #include <signal.h>
+ #include <stdlib.h>
+ #include <unistd.h>
+@@ -104,7 +104,7 @@
+ void create_file_names(void);
+ void open_files(void);
+ 
+-volatile sig_atomic_t sigdie;
++volatile int sigdie;
+ 
+ void
+ done(int k)
+@@ -234,7 +234,7 @@
+ 	size_t len;
+ 	char *tmpdir;
+ 
+-	tmpdir = _PATH_TMP;
++	tmpdir = "/tmp";
+ 
+ 	len = strlen(tmpdir);
+ 	if (tmpdir[len - 1] == '/')
+@@ -300,7 +300,7 @@
+ void
+ open_files(void)
+ {
+-	int fd;
++	char *fname;
+ 
+ 	create_file_names();
+ 
+@@ -309,12 +309,12 @@
+ 		if (input_file == 0)
+ 			open_error(input_file_name);
+ 	}
+-	fd = mkstemp(action_file_name);
+-	if (fd == -1 || (action_file = fdopen(fd, "w")) == NULL)
++	fname = mktemp(action_file_name);
++	if (!fname || (action_file = fopen(fname, "w")) == NULL)
+ 		open_error(action_file_name);
+ 
+-	fd = mkstemp(text_file_name);
+-	if (fd == -1 || (text_file = fdopen(fd, "w")) == NULL)
++	fname = mktemp(text_file_name);
++	if (!fname || (text_file = fopen(fname, "w")) == NULL)
+ 		open_error(text_file_name);
+ 
+ 	if (vflag) {
+@@ -326,8 +326,8 @@
+ 		defines_file = fopen(defines_file_name, "w");
+ 		if (defines_file == NULL)
+ 			open_write_error(defines_file_name);
+-		fd = mkstemp(union_file_name);
+-		if (fd == -1 || (union_file = fdopen(fd, "w")) == NULL)
++		fname = mktemp(union_file_name);
++		if (!fname || (union_file = fopen(fname, "w")) == NULL)
+ 			open_error(union_file_name);
+ 	}
+ 	output_file = fopen(output_file_name, "w");

steps/oyacc-6.6/patches/tcc.patch

@@ -0,0 +1,15 @@
+SPDX-FileCopyrightText: 2025 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: BSD-3-Clause
+
+In tcc, a variable declared as extern that is assigned to does not work
+correctly.
+
+--- oyacc-6.6/defs.h	2025-02-05 14:23:40.883827721 +1100
++++ oyacc-6.6/defs.h	2025-02-05 14:23:43.879827713 +1100
+@@ -365,4 +365,4 @@
+ 
+ /* system variables */
+ 
+-extern char *__progname;
++char *__progname;

steps/oyacc-6.6/sources

@@ -0,0 +1 @@
+https://github.com/ibara/yacc/releases/download/oyacc-6.6/oyacc-6.6.tar.gz eb0866e740b79bd3a23e0ca47885eb3148aab18d77a4bedba96e979d8b4ebfe1