Set HAVE_SEARCH_H so that pdfium/xfa builds with VS 2015
Enabling of XFA-Forms in crrev.com/1775173002 broke VS 2015 builds
because of a conflict between the lfind declaration in libtiff\tiffiop.h
and the one that ships with VS 2015. Defining HAVE_SEARCH_H for VS 2015
builds fixes this problem
BUG=440500,593996
R=thakis@chromium.org, tsepez@chromium.org
Review URL: https://codereview.chromium.org/1781043005 .
diff --git a/third_party/libtiff/0001-build-config.patch b/third_party/libtiff/0001-build-config.patch
new file mode 100644
index 0000000..c393154
--- /dev/null
+++ b/third_party/libtiff/0001-build-config.patch
@@ -0,0 +1,17 @@
+diff --git a/third_party/libtiff/tiffconf.h b/third_party/libtiff/tiffconf.h
+index bcc0bc5..ca749da 100644
+--- a/third_party/libtiff/tiffconf.h
++++ b/third_party/libtiff/tiffconf.h
+@@ -39,7 +39,11 @@
+ //fx_system.h already include the string.h in ANSIC
+
+ /* Define to 1 if you have the <search.h> header file. */
+-/*#define HAVE_SEARCH_H 1 */
++#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ && _MSC_VER >= 1900
++// search.h is always available in VS 2015 and above, and may be
++// available in earlier versions.
++#define HAVE_SEARCH_H 1
++#endif
+
+ /* The size of a `int', as computed by sizeof. */
+ /* According typedef int int32_t; in the fx_system.h*/
diff --git a/third_party/libtiff/README.pdfium b/third_party/libtiff/README.pdfium
index bee4729..c9b0f48 100644
--- a/third_party/libtiff/README.pdfium
+++ b/third_party/libtiff/README.pdfium
@@ -10,3 +10,4 @@
Local Modifications:
0000-build-config.patch: Local build configuration changes.
+0001-build-config.patch: Enable HAVE_SEARCH_H in tiffconf.h for VS 2015
diff --git a/third_party/libtiff/tiffconf.h b/third_party/libtiff/tiffconf.h
index bcc0bc5..ca749da 100644
--- a/third_party/libtiff/tiffconf.h
+++ b/third_party/libtiff/tiffconf.h
@@ -39,7 +39,11 @@
//fx_system.h already include the string.h in ANSIC
/* Define to 1 if you have the <search.h> header file. */
-/*#define HAVE_SEARCH_H 1 */
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ && _MSC_VER >= 1900
+// search.h is always available in VS 2015 and above, and may be
+// available in earlier versions.
+#define HAVE_SEARCH_H 1
+#endif
/* The size of a `int', as computed by sizeof. */
/* According typedef int int32_t; in the fx_system.h*/
