zmq: remove libbsd dependency

Not really needed for anything. Patch taken from upstream.

Remove obsolete libpthread and librt dependencies.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

1 files changed, 232 insertions, 0 deletions

diff --git a/libs/zmq/patches/020-no-libbsd.patch b/libs/zmq/patches/020-no-libbsd.patch
new file mode 100644
index 000000000..0ed003945
--- /dev/null
+++ b/libs/zmq/patches/020-no-libbsd.patch
@@ -0,0 +1,232 @@
+From 872a773fac1e2880428d82e9f589ff16a5fde727 Mon Sep 17 00:00:00 2001
+From: Guilherme Janczak <guilherme.janczak@yandex.com>
+Date: Fri, 6 May 2022 18:42:52 +0000
+Subject: [PATCH] remove libbsd
+
+libbsd is only used once and as part of a larger, incorrect function.
+I rewrote the code that used it without the need for it.
+---
+ CMakeLists.txt               | 41 ++++++-----------------------
+ Makefile.am                  | 12 ++++-----
+ builds/cmake/platform.hpp.in |  2 --
+ configure.ac                 | 39 +--------------------------
+ packaging/debian/control     |  2 --
+ packaging/debian/zeromq.dsc  |  2 +-
+ packaging/redhat/zeromq.spec |  2 +-
+ src/compat.hpp               | 51 +++++++++++++++++++++++-------------
+ 8 files changed, 50 insertions(+), 101 deletions(-)
+
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -240,19 +240,6 @@ if(NOT ZMQ_USE_GNUTLS)
+   endif()
+ endif()
+ 
+-if(NOT MSVC)
+-  option(WITH_LIBBSD "Use libbsd instead of builtin strlcpy" ON)
+-  if(WITH_LIBBSD)
+-    pkg_check_modules(LIBBSD "libbsd")
+-    if(LIBBSD_FOUND)
+-      message(STATUS "Using libbsd")
+-      set(pkg_config_names_private "${pkg_config_names_private} libbsd")
+-      set(ZMQ_HAVE_LIBBSD 1)
+-    endif()
+-  endif()
+-  check_cxx_symbol_exists(strlcpy string.h ZMQ_HAVE_STRLCPY)
+-endif()
+-
+ # Select curve encryption library, defaults to tweetnacl To use libsodium instead, use --with-libsodium(must be
+ # installed) To disable curve, use --disable-curve
+ 
+@@ -1437,10 +1424,6 @@ if(BUILD_SHARED)
+     target_link_libraries(libzmq ${NSS3_LIBRARIES})
+   endif()
+ 
+-  if(LIBBSD_FOUND)
+-    target_link_libraries(libzmq ${LIBBSD_LIBRARIES})
+-  endif()
+-
+   if(SODIUM_FOUND)
+     target_link_libraries(libzmq ${SODIUM_LIBRARIES})
+     # On Solaris, libsodium depends on libssp
+@@ -1482,10 +1465,6 @@ if(BUILD_STATIC)
+     target_link_libraries(libzmq-static ${GNUTLS_LIBRARIES})
+   endif()
+ 
+-  if(LIBBSD_FOUND)
+-    target_link_libraries(libzmq-static ${LIBBSD_LIBRARIES})
+-  endif()
+-
+   if(NSS3_FOUND)
+     target_link_libraries(libzmq-static ${NSS3_LIBRARIES})
+   endif()
+@@ -1550,10 +1529,6 @@ if(BUILD_SHARED)
+         target_link_libraries(${perf-tool} ${GNUTLS_LIBRARIES})
+       endif()
+ 
+-      if(LIBBSD_FOUND)
+-        target_link_libraries(${perf-tool} ${LIBBSD_LIBRARIES})
+-      endif()
+-
+       if(NSS3_FOUND)
+         target_link_libraries(${perf-tool} ${NSS3_LIBRARIES})
+       endif()
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -351,11 +351,11 @@ if HAVE_VSCRIPT_COMPLEX
+ src_libzmq_la_LDFLAGS += $(VSCRIPT_LDFLAGS),$(srcdir)/src/libzmq.vers
+ endif
+ 
+-src_libzmq_la_CPPFLAGS = $(CODE_COVERAGE_CPPFLAGS) $(LIBUNWIND_CFLAGS) $(LIBBSD_CFLAGS)
+-src_libzmq_la_CFLAGS = $(CODE_COVERAGE_CFLAGS) $(LIBUNWIND_CFLAGS) $(LIBBSD_CFLAGS)
++src_libzmq_la_CPPFLAGS = $(CODE_COVERAGE_CPPFLAGS) $(LIBUNWIND_CFLAGS)
++src_libzmq_la_CFLAGS = $(CODE_COVERAGE_CFLAGS) $(LIBUNWIND_CFLAGS)
+ src_libzmq_la_CXXFLAGS = @LIBZMQ_EXTRA_CXXFLAGS@ $(CODE_COVERAGE_CXXFLAGS) \
+-	$(LIBUNWIND_CFLAGS) $(LIBBSD_CFLAGS)
+-src_libzmq_la_LIBADD = $(CODE_COVERAGE_LDFLAGS) $(LIBUNWIND_LIBS) $(LIBBSD_LIBS)
++	$(LIBUNWIND_CFLAGS)
++src_libzmq_la_LIBADD = $(CODE_COVERAGE_LDFLAGS) $(LIBUNWIND_LIBS)
+ 
+ if USE_NSS
+ src_libzmq_la_CPPFLAGS += ${NSS3_CFLAGS}
+@@ -849,10 +849,10 @@ tests_test_security_curve_SOURCES += \
+ endif
+ 
+ tests_test_security_curve_LDADD = \
+-        ${TESTUTIL_LIBS} src/libzmq.la $(LIBUNWIND_LIBS) $(LIBBSD_LIBS)
++        ${TESTUTIL_LIBS} src/libzmq.la $(LIBUNWIND_LIBS)
+ tests_test_security_curve_CPPFLAGS = \
+         ${TESTUTIL_CPPFLAGS} \
+-	${LIBUNWIND_CFLAGS}  ${LIBBSD_CFLAGS}
++	${LIBUNWIND_CFLAGS}
+ 
+ if USE_LIBSODIUM
+ tests_test_security_curve_CPPFLAGS += \
+--- a/builds/cmake/platform.hpp.in
++++ b/builds/cmake/platform.hpp.in
+@@ -52,8 +52,6 @@
+ #cmakedefine ZMQ_HAVE_PTHREAD_SET_AFFINITY
+ #cmakedefine HAVE_ACCEPT4
+ #cmakedefine HAVE_STRNLEN
+-#cmakedefine ZMQ_HAVE_STRLCPY
+-#cmakedefine ZMQ_HAVE_LIBBSD
+ 
+ #cmakedefine ZMQ_HAVE_IPC
+ 
+--- a/configure.ac
++++ b/configure.ac
+@@ -12,7 +12,7 @@ AC_CONFIG_AUX_DIR(config)
+ AC_CONFIG_MACRO_DIR(config)
+ AC_CONFIG_HEADERS([src/platform.hpp])
+ AM_INIT_AUTOMAKE(foreign subdir-objects tar-ustar dist-zip)
+-# Allow "configure --disable-maintainer-mode" to disable timestamp checking 
++# Allow "configure --disable-maintainer-mode" to disable timestamp checking
+ AM_MAINTAINER_MODE([enable])
+ 
+ m4_pattern_allow([AC_PROG_CC_C99])
+@@ -806,43 +806,6 @@ AC_COMPILE_IFELSE(
+     ],[
+         AC_MSG_RESULT([no])
+ ])
+-
+-AC_ARG_ENABLE([libbsd],
+-    [AS_HELP_STRING([--enable-libbsd],
+-        [enable libbsd [default=auto]])],
+-    [enable_libbsd=$enableval],
+-    [enable_libbsd="auto"])
+-
+-if test "x$enable_libbsd" != "xno"; then
+-    PKG_CHECK_MODULES(LIBBSD, [libbsd],
+-        [
+-            AC_DEFINE(ZMQ_HAVE_LIBBSD, 1, [The libbsd library is to be used])
+-            AC_SUBST([LIBBSD_CFLAGS])
+-            AC_SUBST([LIBBSD_LIBS])
+-            PKGCFG_NAMES_PRIVATE="$PKGCFG_NAMES_PRIVATE libbsd"
+-            found_libbsd="yes"
+-        ],
+-        [
+-            found_libbsd="no"
+-            if test "x$enable_libbsd" = "xyes"; then
+-                AC_MSG_ERROR([Cannot find libbsd])
+-            else
+-                AC_MSG_WARN([Cannot find libbsd])
+-            fi
+-        ])
+-fi
+-AC_MSG_CHECKING([whether strlcpy is available])
+-AC_COMPILE_IFELSE(
+-    [AC_LANG_PROGRAM(
+-        [[#include <string.h>]],
+-        [[char buf [100]; size_t bar = strlcpy (buf, "foo", 100); (void)bar; return 0;]])
+-    ],[
+-        AC_MSG_RESULT([yes])
+-        AC_DEFINE(ZMQ_HAVE_STRLCPY, [1],
+-            [strlcpy is available])
+-    ],[
+-        AC_MSG_RESULT([no])
+-])
+ 
+ # pthread_setname is non-posix, and there are at least 4 different implementations
+ AC_MSG_CHECKING([whether signature of pthread_setname_np() has 1 argument])
+--- a/src/compat.hpp
++++ b/src/compat.hpp
+@@ -37,26 +37,41 @@
+ #define strcasecmp _stricmp
+ #define strtok_r strtok_s
+ #else
+-#ifndef ZMQ_HAVE_STRLCPY
+-#ifdef ZMQ_HAVE_LIBBSD
+-#include <bsd/string.h>
+-#else
+-static inline size_t
+-strlcpy (char *dest_, const char *src_, const size_t dest_size_)
+-{
+-    size_t remain = dest_size_;
+-    for (; remain && *src_; --remain, ++src_, ++dest_) {
+-        *dest_ = *src_;
+-    }
+-    return dest_size_ - remain;
+-}
+-#endif
+-#endif
++/*
++ * https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/strcpy-s-wcscpy-s-mbscpy-s?view=msvc-170
++ */
+ template <size_t size>
+-static inline int strcpy_s (char (&dest_)[size], const char *const src_)
++static inline int strcpy_s (char (&dst)[size], const char *const src)
+ {
+-    const size_t res = strlcpy (dest_, src_, size);
+-    return res >= size ? ERANGE : 0;
++    size_t i;
++
++    if (src == NULL) {
++        /*
++         * XXX:
++         * Microsoft's documentation is ambiguous.
++         *
++         * How does Microsoft handle size == 0 when src is NULL?
++         * Do they return ERANGE?
++         *
++         * How does Microsoft handle size == 0 when src is non-NULL?
++         * Do they write a '\0' to *dst anyway?
++         */
++        if (size > 0)
++            *dst = '\0';
++        return (errno = EINVAL);
++    }
++
++    for (i = 0;; i++) {
++        if (i >= size) {
++            if (size > 0)
++                *dst = '\0';
++            return (errno = ERANGE);
++        }
++        dst[i] = src[i];
++        if (src[i] == '\0')
++            return 0;
++    }
++    /* NOTREACHED */
+ }
+ #endif
+