From d9cc2b2928eab045f89d0abf95a9e5c75e290ff8 Mon Sep 17 00:00:00 2001
From: David Goulet <dgoulet@torproject.org>
Date: Tue, 7 Jul 2020 09:20:28 -0400
Subject: [PATCH] CI: Fix Appveyor printf format error

For some reasons, Appveyor started to use the stdio printf format for 64 bit
values (PRIu64, ...). Mingw doesn't like that so force it to use the Windows
specific macros by setting D__USE_MINGW_ANSI_STDIO=0.

Fixes #40026
---
 .appveyor.yml       | 2 +-
 changes/ticket40026 | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 changes/ticket40026

diff --git a/.appveyor.yml b/.appveyor.yml
index 461eacb4a9..03cf2f69f6 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -87,7 +87,7 @@ build_script:
              # mingw zstd doesn't come with a pkg-config file, so we manually
              # configure its flags. liblzma just works.
              #>
-            Execute-Bash "ZSTD_CFLAGS='-L/${env:compiler_path}/include' ZSTD_LIBS='-L/${env:compiler_path}/lib -lzstd' ../configure --prefix=/${env:compiler_path} --build=${env:target} --host=${env:target} --with-openssl-dir=/${env:compiler_path} --disable-asciidoc --enable-fatal-warnings ${env:hardening}"
+            Execute-Bash "ZSTD_CFLAGS='-L/${env:compiler_path}/include' ZSTD_LIBS='-L/${env:compiler_path}/lib -lzstd' ../configure --prefix=/${env:compiler_path} --build=${env:target} --host=${env:target} --with-openssl-dir=/${env:compiler_path} --disable-asciidoc --enable-fatal-warnings ${env:hardening} CFLAGS='-D__USE_MINGW_ANSI_STDIO=0'"
             Execute-Bash "V=1 make -k -j2"
             Execute-Bash "V=1 make -k -j2 install"
      }
diff --git a/changes/ticket40026 b/changes/ticket40026
new file mode 100644
index 0000000000..f87c2964e0
--- /dev/null
+++ b/changes/ticket40026
@@ -0,0 +1,3 @@
+  o Minor bugfix (CI, Windows):
+    - Don't use stdio 64 bit printf format when compiling with MINGW on
+      Appveyor. Fixes bug 40026; bugfix on 0.3.5.5-alpha.