Attempt to link to glibc 2.23 for plugins.

LICENSE-dist.txt

@@ -512,3 +512,28 @@ EXEMPLARY, OR CONSEQUENTIAL DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
 SOFTWARE.
+
+
+# glibc_version_header
+
+MIT License
+
+Copyright (c) 2018 Tom Mason
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

@@ -1,9 +1,8 @@
 RACK_DIR ?= .
-VERSION = 1.dev.$(shell git rev-parse --short HEAD)
+VERSION := 1.dev.$(shell git rev-parse --short HEAD)
 
 FLAGS += -DVERSION=$(VERSION)
-FLAGS += -Iinclude
-FLAGS += -Idep/include -Idep/lib/libzip/include
+FLAGS += -Iinclude -Idep/include
 
 include arch.mk
 

compile.mk

@@ -15,15 +15,13 @@ FLAGS += -g
 FLAGS += -O3 -march=nocona -funsafe-math-optimizations
 # Warnings
 FLAGS += -Wall -Wextra -Wno-unused-parameter
-
-ifneq ($(ARCH), mac)
-	CXXFLAGS += -Wsuggest-override
-endif
+# C++ standard
 CXXFLAGS += -std=c++11
 
-
+# Architecture-independent flags
 ifdef ARCH_LIN
 	FLAGS += -DARCH_LIN
+	CXXFLAGS += -Wsuggest-override
 endif
 ifdef ARCH_MAC
 	FLAGS += -DARCH_MAC
@@ -36,6 +34,7 @@ endif
 ifdef ARCH_WIN
 	FLAGS += -DARCH_WIN
 	FLAGS += -D_USE_MATH_DEFINES
+	CXXFLAGS += -Wsuggest-override
 endif
 
 CFLAGS += $(FLAGS)

plugin.mk

@@ -23,6 +23,8 @@ ifdef ARCH_LIN
 	LDFLAGS += -shared
 	TARGET := plugin.so
 	RACK_USER_DIR ?= $(HOME)/.Rack
+	# Link to glibc 2.23
+	FLAGS += -include $(RACK_DIR)/include/force_link_glibc_2.23.h
 endif
 
 ifdef ARCH_MAC