From 9463dd7e0cd97e68300ef74d1aa727412eaa5ef8 Mon Sep 17 00:00:00 2001
From: Evan Miller <emmiller@gmail.com>
Date: Fri, 27 Aug 2021 14:40:01 -0400
Subject: [PATCH] Fix build on ancient platforms lacking SHA224

---
 cups/hash.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cups/hash.c b/cups/hash.c
index c153c66559..ba7d6ec1c9 100644
--- a/cups/hash.c
+++ b/cups/hash.c
@@ -85,6 +85,7 @@ cupsHashData(const char    *algorithm,	/* I - Algorithm name */
 
     return (CC_SHA1_DIGEST_LENGTH);
   }
+#ifdef CC_SHA224_DIGEST_LENGTH
   else if (!strcmp(algorithm, "sha2-224"))
   {
     CC_SHA256_CTX	ctx;		/* SHA-224 context */
@@ -98,6 +99,7 @@ cupsHashData(const char    *algorithm,	/* I - Algorithm name */
 
     return (CC_SHA224_DIGEST_LENGTH);
   }
+#endif /* CC_SHA224_DIGEST_LENGTH */
   else if (!strcmp(algorithm, "sha2-256"))
   {
     CC_SHA256_CTX	ctx;		/* SHA-256 context */
@@ -137,6 +139,7 @@ cupsHashData(const char    *algorithm,	/* I - Algorithm name */
 
     return (CC_SHA512_DIGEST_LENGTH);
   }
+#ifdef CC_SHA224_DIGEST_LENGTH
   else if (!strcmp(algorithm, "sha2-512_224"))
   {
     CC_SHA512_CTX	ctx;		/* SHA-512 context */
@@ -158,6 +161,7 @@ cupsHashData(const char    *algorithm,	/* I - Algorithm name */
 
     return (CC_SHA224_DIGEST_LENGTH);
   }
+#endif /* CC_SHA224_DIGEST_LENGTH */
   else if (!strcmp(algorithm, "sha2-512_256"))
   {
     CC_SHA512_CTX	ctx;		/* SHA-512 context */
-- 
2.47.2