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Index: head/devel/crc32c/Makefile
===================================================================
--- head/devel/crc32c/Makefile
+++ head/devel/crc32c/Makefile
@@ -11,7 +11,7 @@
LICENSE= BSD3CLAUSE
LICENSE_FILE= ${WRKSRC}/LICENSE
-USES= cmake
+USES= cmake compiler:c++11-lang
USE_GITHUB= yes
GH_ACCOUNT= google
USE_LDCONFIG= yes
Index: head/devel/crc32c/files/patch-src_crc32c__read__le.h
===================================================================
--- head/devel/crc32c/files/patch-src_crc32c__read__le.h
+++ head/devel/crc32c/files/patch-src_crc32c__read__le.h
@@ -0,0 +1,25 @@
+--- src/crc32c_read_le.h.orig 2019-07-24 07:21:23 UTC
++++ src/crc32c_read_le.h
+@@ -30,14 +30,14 @@ inline uint32_t ReadUint32LE(const uint8_t* buffer) {
+ // Reads a little-endian 64-bit integer from a 64-bit-aligned buffer.
+ inline uint64_t ReadUint64LE(const uint8_t* buffer) {
+ #if BYTE_ORDER_BIG_ENDIAN
+- return ((static_cast<uint32_t>(static_cast<uint8_t>(buffer[0]))) |
+- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[1])) << 8) |
+- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[2])) << 16) |
+- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[3])) << 24) |
+- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[4])) << 32) |
+- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[5])) << 40) |
+- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[6])) << 48) |
+- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[7])) << 56));
++ return ((static_cast<uint64_t>(static_cast<uint8_t>(buffer[0]))) |
++ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[1])) << 8) |
++ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[2])) << 16) |
++ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[3])) << 24) |
++ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[4])) << 32) |
++ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[5])) << 40) |
++ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[6])) << 48) |
++ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[7])) << 56));
+ #else // !BYTE_ORDER_BIG_ENDIAN
+ uint64_t result;
+ // This should be optimized to a single instruction.

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