Migrate Libevent build from automake to CMake (#320)

general/package/libevent-openipc/crutch/0001-libevent-mbedtls.patch

@@ -1,13 +0,0 @@
-diff --git a/buffer.c b/buffer.c
-index 822d97a5..646763b4 100644
---- a/buffer.c
-+++ b/buffer.c
-@@ -3070,7 +3070,7 @@ evbuffer_file_segment_materialize(struct evbuffer_file_segment *seg)
- 			offset_leftover = offset % page_size;
- 			offset_rounded = offset - offset_leftover;
- 		}
--		mapped = mmap(NULL, length + offset_leftover,
-+		mapped = mmap64(NULL, length + offset_leftover,
- 		    PROT_READ,
- #ifdef MAP_NOCACHE
- 		    MAP_NOCACHE | /* ??? */

general/package/libevent-openipc/libevent-openipc.mk

@@ -4,46 +4,24 @@
 #
 ################################################################################
 
-LIBEVENT_OPENIPC_VERSION = bf3ce77f6cf113839defa70b30e183d471a0dab5
+LIBEVENT_OPENIPC_VERSION = mmap64
-LIBEVENT_OPENIPC_SITE = $(call github,libevent,libevent,$(LIBEVENT_OPENIPC_VERSION))
+LIBEVENT_OPENIPC_SITE = $(call github,widgetii,libevent,$(LIBEVENT_OPENIPC_VERSION))
 LIBEVENT_OPENIPC_INSTALL_STAGING = YES
 LIBEVENT_OPENIPC_LICENSE = BSD-3-Clause, OpenBSD
 LIBEVENT_OPENIPC_LICENSE_FILES = LICENSE
-
-# This package uses autoconf, but not automake, so we need to call
-# their special autogen.sh script, and have custom target and staging
-# installation commands.
-
-define LIBEVENT_OPENIPC_RUN_CRUTCH
-	cd $(@D) && patch -i $(TOPDIR)/../general/package/libevent-openipc/crutch/0001-libevent-mbedtls.patch
-endef
-
-define LIBEVENT_OPENIPC_RUN_AUTOGEN
-	cd $(@D) && PATH=$(BR_PATH) ./autogen.sh
-endef
-
-ifeq ($(BR2_TOOLCHAIN_BUILDROOT_MUSL),y)
-LIBEVENT_OPENIPC_PRE_CONFIGURE_HOOKS +=  LIBEVENT_OPENIPC_RUN_CRUTCH LIBEVENT_OPENIPC_RUN_AUTOGEN
-else
-LIBEVENT_OPENIPC_PRE_CONFIGURE_HOOKS += LIBEVENT_OPENIPC_RUN_AUTOGEN
-endif
-
-
 LIBEVENT_OPENIPC_CONF_OPTS = \
-	--disable-libevent-regress \
+	-DEVENT__DISABLE_BENCHMARK=ON \
-	--disable-samples \
+	-DEVENT__DISABLE_SAMPLES=ON \
-	--disable-debug-mode \
+	-DEVENT__DISABLE_TESTS=ON \
-	--disable-largefile
+	-DCMAKE_BUILD_TYPE=Release
-HOST_LIBEVENT_OPENIPC_CONF_OPTS = \
+
-	--disable-libevent-regress \
-	--disable-samples \
-	--disable-openssl
 
 define LIBEVENT_OPENIPC_REMOVE_PYSCRIPT
 	rm $(TARGET_DIR)/usr/bin/event_rpcgen.py
 endef
 
 define LIBEVENT_OPENIPC_DELETE_UNUSED
+	rm -r $(TARGET_DIR)/usr/lib/libevent-2.2.so
 	rm -f $(TARGET_DIR)/usr/lib/libevent-2.2.so.1.0.0
 	rm -f $(TARGET_DIR)/usr/lib/libevent-2.2.so.1
 	rm -f $(TARGET_DIR)/usr/lib/libevent.so
@@ -57,19 +35,18 @@ endif
 
 ifeq ($(BR2_PACKAGE_OPENSSL),y)
 LIBEVENT_OPENIPC_DEPENDENCIES += host-pkgconf openssl
-LIBEVENT_OPENIPC_CONF_OPTS += --enable-openssl
+LIBEVENT_OPENIPC_CONF_OPTS += -DEVENT__DISABLE_OPENSSL=OFF
 else
-LIBEVENT_OPENIPC_CONF_OPTS += --disable-openssl
+LIBEVENT_OPENIPC_CONF_OPTS += -DEVENT__DISABLE_OPENSSL=ON
 endif
 
 ifeq ($(BR2_PACKAGE_MBEDTLS_OPENIPC),y)
 LIBEVENT_OPENIPC_DEPENDENCIES += host-pkgconf mbedtls-openipc
-LIBEVENT_OPENIPC_CONF_OPTS += --enable-mbedtls
+LIBEVENT_OPENIPC_CONF_OPTS += -DEVENT__DISABLE_MBEDTLS=OFF
 else
-LIBEVENT_OPENIPC_CONF_OPTS += --disable-mbedtls
+LIBEVENT_OPENIPC_CONF_OPTS += -DEVENT__DISABLE_MBEDTLS=ON
 endif
 
 LIBEVENT_OPENIPC_POST_INSTALL_TARGET_HOOKS += LIBEVENT_OPENIPC_DELETE_UNUSED
 
-$(eval $(autotools-package))
+$(eval $(cmake-package))
-$(eval $(host-autotools-package))