From 83c78971e25cd94cd071c0d8ded0ef42b8edacea Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gbeutner@serenityos.org>
Date: Tue, 11 May 2021 18:55:59 +0200
Subject: [PATCH] Ports: Fix building the libicu port

If you're on the new toolchain with std support already
you'd be unable to build libicu because <cmath> #undefs
some of the defines from <math.h> (e.g. isfinite).
---
 Ports/libicu/patches/std.patch | 48 ++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Ports/libicu/patches/std.patch

diff --git a/Ports/libicu/patches/std.patch b/Ports/libicu/patches/std.patch
new file mode 100644
index 00000000000..81fc15f6a98
--- /dev/null
+++ b/Ports/libicu/patches/std.patch
@@ -0,0 +1,48 @@
+diff -Naur source/i18n/decimfmt.cpp source.serenity/i18n/decimfmt.cpp
+--- source/i18n/decimfmt.cpp	2021-05-11 18:48:28.172956656 +0200
++++ source.serenity/i18n/decimfmt.cpp	2021-05-11 18:47:42.222070235 +0200
+@@ -9,7 +9,7 @@
+ // Helpful in toString methods and elsewhere.
+ #define UNISTR_FROM_STRING_EXPLICIT
+ 
+-#include <cmath>
++#include <math.h>
+ #include <cstdlib>
+ #include <stdlib.h>
+ #include "unicode/errorcode.h"
+diff -Naur source/i18n/number_decimalquantity.cpp source.serenity/i18n/number_decimalquantity.cpp
+--- source/i18n/number_decimalquantity.cpp	2021-05-11 18:48:28.172956656 +0200
++++ source.serenity/i18n/number_decimalquantity.cpp	2021-05-11 18:48:02.715798916 +0200
+@@ -6,7 +6,7 @@
+ #if !UCONFIG_NO_FORMATTING
+ 
+ #include <cstdlib>
+-#include <cmath>
++#include <math.h>
+ #include <limits>
+ #include <stdlib.h>
+ 
+diff -Naur source/i18n/number_utils.cpp source.serenity/i18n/number_utils.cpp
+--- source/i18n/number_utils.cpp	2021-05-11 18:48:28.172956656 +0200
++++ source.serenity/i18n/number_utils.cpp	2021-05-11 18:47:22.298352531 +0200
+@@ -10,7 +10,7 @@
+ #define UNISTR_FROM_STRING_EXPLICIT
+ 
+ #include <stdlib.h>
+-#include <cmath>
++#include <math.h>
+ #include "number_decnum.h"
+ #include "number_types.h"
+ #include "number_utils.h"
+diff -Naur source/i18n/reldatefmt.cpp source.serenity/i18n/reldatefmt.cpp
+--- source/i18n/reldatefmt.cpp	2021-05-11 18:48:28.172956656 +0200
++++ source.serenity/i18n/reldatefmt.cpp	2021-05-11 18:46:45.380973593 +0200
+@@ -14,7 +14,7 @@
+ 
+ #if !UCONFIG_NO_FORMATTING && !UCONFIG_NO_BREAK_ITERATION
+ 
+-#include <cmath>
++#include <math.h>
+ #include <functional>
+ #include "unicode/dtfmtsym.h"
+ #include "unicode/ucasemap.h"