From d9ec4344fcd7f924f6aee56f2cf7084df7e02cb4 Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <stick@gk2.sk>
Date: Wed, 27 Apr 2016 23:32:14 +0200
Subject: [PATCH] use std=c99

---
 CMakeLists.txt | 4 +++-
 Makefile       | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1baf398769..165d7aeb01 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,8 @@ include_directories(ed25519-donna)
 set_source_files_properties(aeskey.c PROPERTIES
                             COMPILE_FLAGS -Wno-sequence-point)
 
+set(CMAKE_C_FLAGS "-std=c99")
+
 if(MSVC)
   set_source_files_properties(${SOURCES} PROPERTIES LANGUAGE CXX)
 endif(MSVC)
@@ -22,4 +24,4 @@ if (TREZOR_CRYPTO_TESTS)
     add_executable(test-openssl test-openssl.c)
     target_link_libraries(test-openssl TrezorCrypto check rt pthread m crypto)
     add_test(NAME trezor-crypto-openssl COMMAND test-openssl 100)
-endif()
\ No newline at end of file
+endif()
diff --git a/Makefile b/Makefile
index 981f17b778..bdb9b09b20 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@ CC        = gcc
 OPTFLAGS  = -O3 -g
 
 CFLAGS   += $(OPTFLAGS) \
+            -std=c99 \
             -W \
             -Wall \
             -Wextra \