procps: add tweaks to get procps build with musl

base/musl/pkg/procps/procps.conf

@@ -0,0 +1,56 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: package/.../musl/pkg/procps/procps.conf
+# Copyright (C) 2014 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License. A copy of the
+# GNU General Public License can be found in the file COPYING.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+# approach taken from sabotage linux
+
+musl_procps_addmissing() {
+	# add minimal internal error.h
+	cat << EOF > include/error.h
+#include <stdio.h>
+#include <string.h>
+#define PROGRAM_NAME "procps"
+
+#define error(status, errnum, ...) \
+  do { fflush(stdout); \
+       dprintf(2, PROGRAM_NAME ": "); \
+       dprintf(2, __VA_ARGS__); \
+       if(errnum) dprintf(2, ": %s", strerror(errnum)); \
+       dprintf(2, "\n"); \
+       if(status) exit(status); \
+  } while(0)
+
+#define error_at_line(status, errnum, fn, line, ...) \
+  do { fflush(stdout); \
+       dprintf(2, PROGRAM_NAME ": %s:%d", fn, (int) line); \
+       dprintf(2, __VA_ARGS__); \
+       if(errnum) dprintf(2, ": %s", strerror(errnum)); \
+       dprintf(2, "\n"); \
+       if(status) exit(status); \
+  } while(0)
+
+
+EOF
+
+	mkdir -p include/sys
+	# add minimal sys/dir.h
+	cat << EOF > include/sys/dir.h
+#include <dirent.h>
+#define direct dirent
+EOF
+}
+hook_add preconf 5 'musl_procps_addmissing'
+
+# sysctl.c: error: 'GLOB_TILDE' undeclared
+#var_append CFLAGS ' ' '-DGLOB_TILDE=0'
+var_append configprefix ' ' 'CFLAGS="-DGLOB_TILDE=0"'