From 482570e978718d92207bd177d26f3bf6535bad31 Mon Sep 17 00:00:00 2001
From: steve-chavez <stevechavezast@gmail.com>
Date: Tue, 3 Sep 2024 13:29:07 -0500
Subject: [PATCH] fix: show clear error message on older libcurl

Closes https://github.com/supabase/pg_net/issues/143
---
 Makefile     | 2 +-
 src/worker.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c53ff7a..64c9782 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-PG_CFLAGS = -Werror -Wno-declaration-after-statement
+PG_CFLAGS = -std=c11 -Werror -Wno-declaration-after-statement
 EXTENSION = pg_net
 EXTVERSION = 0.9.3
 
diff --git a/src/worker.c b/src/worker.c
index 05bc769..b049aa9 100644
--- a/src/worker.c
+++ b/src/worker.c
@@ -25,6 +25,10 @@
 
 #include "util.h"
 
+#define MIN_LIBCURL_VERSION_NUM 0x075300 // This is the 7.83.0 version in hex as defined in curl/curlver.h
+_Static_assert(LIBCURL_VERSION_NUM, "libcurl >= 7.83.0 is required"); // test for older libcurl versions that don't even have LIBCURL_VERSION_NUM defined (e.g. libcurl 6.5).
+_Static_assert(LIBCURL_VERSION_NUM >= MIN_LIBCURL_VERSION_NUM, "libcurl >= 7.83.0 is required");
+
 PG_MODULE_MAGIC;
 
 static char *guc_ttl = "6 hours";