From d85d34cb8df00e1cd9b78b27bcff55854b60d687 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 4 May 2021 11:09:55 +0200
Subject: configure/cmake: check for memmem

---
 CMakeLists.txt          | 1 +
 configure.ac            | 1 +
 lib/curl_config.h.cmake | 3 +++
 3 files changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02474e29c..9934cc477 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -990,6 +990,7 @@ check_symbol_exists(select        "${CURL_INCLUDES}" HAVE_SELECT)
 check_symbol_exists(poll          "${CURL_INCLUDES}" HAVE_POLL)
 check_symbol_exists(strdup        "${CURL_INCLUDES}" HAVE_STRDUP)
 check_symbol_exists(strstr        "${CURL_INCLUDES}" HAVE_STRSTR)
+check_symbol_exists(memmem        "${CURL_INCLUDES}" HAVE_MEMMEM)
 check_symbol_exists(strtok_r      "${CURL_INCLUDES}" HAVE_STRTOK_R)
 check_symbol_exists(strftime      "${CURL_INCLUDES}" HAVE_STRFTIME)
 check_symbol_exists(uname         "${CURL_INCLUDES}" HAVE_UNAME)
diff --git a/configure.ac b/configure.ac
index 8b3ff904c..bad25d48a 100755
--- a/configure.ac
+++ b/configure.ac
@@ -3352,6 +3352,7 @@ AC_CHECK_FUNCS([fnmatch \
   gettimeofday \
   if_nametoindex \
   mach_absolute_time \
+  memmem \
   pipe \
   setlocale \
   setmode \
diff --git a/lib/curl_config.h.cmake b/lib/curl_config.h.cmake
index fbe17bc5b..553b74990 100644
--- a/lib/curl_config.h.cmake
+++ b/lib/curl_config.h.cmake
@@ -662,6 +662,9 @@
 /* Define to 1 if you have the strstr function. */
 #cmakedefine HAVE_STRSTR 1
 
+/* Define to 1 if you have the memmem function. */
+#cmakedefine HAVE_MEMMEM 1
+
 /* Define to 1 if you have the strtok_r function. */
 #cmakedefine HAVE_STRTOK_R 1
 
-- 
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