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authorLibravatar Junio C Hamano <gitster@pobox.com>2021-12-08 13:16:32 -0800
committerLibravatar Junio C Hamano <gitster@pobox.com>2021-12-08 13:16:32 -0800
commite95566d9095ae93abe59360b22a103767e2da23c (patch)
treee369832a2896af657536a8a48c652a7315916fb6 /git-compat-util.h
parentThe first batch to start the current cycle (diff)
parentgit-compat-util: add a test balloon for C99 support (diff)
downloadtgif-e95566d9095ae93abe59360b22a103767e2da23c.tar.xz
Merge branch 'bc/require-c99' into jk/limit-developers-to-gnu99
* bc/require-c99: git-compat-util: add a test balloon for C99 support
Diffstat (limited to 'git-compat-util.h')
-rw-r--r--git-compat-util.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/git-compat-util.h b/git-compat-util.h
index c6bd2a84e5..98c4f2c81e 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -1,6 +1,19 @@
#ifndef GIT_COMPAT_UTIL_H
#define GIT_COMPAT_UTIL_H
+#if __STDC_VERSION__ - 0 < 199901L
+/*
+ * Git is in a testing period for mandatory C99 support in the compiler. If
+ * your compiler is reasonably recent, you can try to enable C99 support (or,
+ * for MSVC, C11 support). If you encounter a problem and can't enable C99
+ * support with your compiler (such as with "-std=gnu99") and don't have access
+ * to one with this support, such as GCC or Clang, you can remove this #if
+ * directive, but please report the details of your system to
+ * git@vger.kernel.org.
+ */
+#error "Required C99 support is in a test phase. Please see git-compat-util.h for more details."
+#endif
+
#ifdef USE_MSVC_CRTDBG
/*
* For these to work they must appear very early in each