From: Benoît Canet <benoit.canet.cont...@gmail.com>
Committer: Nadav Har'El <n...@scylladb.com>
Branch: master

lua: Add a check for openssl header version

If OpenSSL version is 1.1 prompt a message explaining
to the user how to install the compat headers.

Signed-off-by: Benoît Canet <ben...@scylladb.com>
Message-Id: <20170725115124.14525-1-ben...@scylladb.com>

---
diff --git a/modules/lua/Makefile b/modules/lua/Makefile
--- a/modules/lua/Makefile
+++ b/modules/lua/Makefile
@@ -119,6 +119,8 @@ $(CDIR)/path.lua: $(LUA_ROCKS_BIN)
 LuaSec: $(CDIR)/ssl.lua

 $(CDIR)/ssl.lua: $(LUA_ROCKS_BIN)
+       ./check-openssl-version
+
 # Workaround because LuaRocks ignores /lib64
 ifneq ("$(wildcard /usr/lib64/libssl.so*)", "")
        out/bin/luarocks install LuaSec 0.5 OPENSSL_LIBDIR=/usr/lib64
diff --git a/modules/lua/check-openssl-version b/modules/lua/check-openssl-version
--- a/modules/lua/check-openssl-version
+++ b/modules/lua/check-openssl-version
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# This is here to help cope with the transition period that the distro
+# use for openssl-1.0 to openssl-1.1
+if [ -f /usr/include/openssl/opensslv.h ]; then
+    has_new_openssl=$(grep "OpenSSL 1.1" /usr/include/openssl/opensslv.h)
+fi
+if [ "$has_new_openssl"x != "x" ]; then
+    echo "OpenSSL 1.1 header detected."
+    echo "On Fedora >= 26 please use the compat headers by doing:"
+    echo ""
+    echo "    dnf install --allowerasing compat-openssl10-devel -y"
+    echo ""
+    exit 1
+fi
+exit 0

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