minizip: explicitly disable libbsd

Fixes #12471

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

libs/minizip/Makefile

@@ -8,7 +8,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=minizip
 PKG_VERSION:=2.9.3
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/nmoinvaz/minizip/archive/
@@ -20,7 +20,7 @@ PKG_LICENSE_FILES:=LICENSE
 
 PKG_BUILD_PARALLEL:=1
 
-CMAKE_OPTIONS:=-DINSTALL_INC_DIR=/usr/include/minizip -DMZ_BZIP2=OFF -DBUILD_SHARED_LIBS=ON
+CMAKE_OPTIONS:=-DINSTALL_INC_DIR=/usr/include/minizip -DMZ_BZIP2=OFF -DBUILD_SHARED_LIBS=ON -DMZ_LIBBSD=OFF
 
 include $(INCLUDE_DIR)/package.mk
 include $(INCLUDE_DIR)/cmake.mk

libs/minizip/patches/010-disable-libbsd.patch

@@ -0,0 +1,55 @@
+From 3d94e052f987bc35452592acf9f6fcb0d4ee4db4 Mon Sep 17 00:00:00 2001
+From: David Woodhouse <dwmw2@infradead.org>
+Date: Wed, 10 Jun 2020 11:39:17 +0100
+Subject: [PATCH] Allow libbsd to be explicitly disabled
+
+When building for a minimal environment like OpenWRT we want to avoid the
+dependency on libbsd even if it did happen to be built and available in
+the buildroot at the time minizip is compiled.
+
+https://github.com/openwrt/packages/issues/12471
+---
+ CMakeLists.txt | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 0de10cf..217359a 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -17,6 +17,7 @@ option(MZ_PKCRYPT "Enables PKWARE traditional encryption" ON)
+ option(MZ_WZAES "Enables WinZIP AES encryption" ON)
+ option(MZ_LIBCOMP "Enables Apple compression" OFF)
+ option(MZ_OPENSSL "Enables OpenSSL for encryption" OFF)
++option(MZ_LIBBSD "Enable libbsd random functionality" ON)
+ option(MZ_BRG "Enables Brian Gladman's encryption library" OFF)
+ option(MZ_SIGNING "Enables zip signing support" ON)
+ option(MZ_COMPRESS_ONLY "Only support compression" OFF)
+@@ -275,7 +276,7 @@ if(UNIX)
+             endif()
+         endif()
+ 
+-        if(NOT HAVE_ARC4RANDOM_BUF)
++        if(MZ_LIBBSD AND NOT HAVE_ARC4RANDOM_BUF)
+             find_package(PkgConfig REQUIRED)
+ 
+             pkg_check_modules(LIBBSD libbsd)
+@@ -288,6 +289,8 @@ if(UNIX)
+                     list(APPEND MINIZIP_INC ${LIBBSD_INCLUDE_DIRS})
+                     link_directories(${LIBBSD_LIBRARY_DIRS})
+                 endif()
++	    else()
++                set(MZ_LIBBSD FALSE)
+             endif()
+         endif()
+     endif()
+@@ -935,6 +938,7 @@ add_feature_info(MZ_PKCRYPT MZ_PKCRYPT "Enables PKWARE traditional encryption")
+ add_feature_info(MZ_WZAES MZ_WZAES "Enables WinZIP AES encryption")
+ add_feature_info(MZ_LIBCOMP MZ_LIBCOMP "Enables Apple compression")
+ add_feature_info(MZ_OPENSSL MZ_OPENSSL "Enables OpenSSL for encryption")
++add_feature_info(MZ_LIBBSD MZ_LIBBSD "Build with libbsd for random functionality")
+ add_feature_info(MZ_BRG MZ_BRG "Enables Brian Gladman's encryption library")
+ add_feature_info(MZ_SIGNING MZ_SIGNING "Enables zip signing support")
+ add_feature_info(MZ_COMPRESS_ONLY MZ_COMPRESS_ONLY "Only support compression")
+-- 
+2.17.1
+