From e4298e2bc0238dd50a737d158be6d8dd6e7fb1cf Mon Sep 17 00:00:00 2001
From: AlexPeshkoff <alexander.peshkoff@gmail.com>
Date: Thu, 20 Jun 2024 20:09:27 +0300
Subject: [PATCH] Cross-build ICU for IOS on linux

---
 extern/icu/ios/Readme.txt        |  2 ++
 extern/icu/ios/aarch64/config.sh | 23 +++++++++++++++++++++++
 extern/icu/ios/aarch64/mk.sh     |  6 ++++++
 extern/icu/ios/crossenv.sh       | 22 ++++++++++++++++++++++
 extern/icu/ios/linux/config.sh   | 16 ++++++++++++++++
 extern/icu/ios/linux/mk.sh       |  3 +++
 6 files changed, 72 insertions(+)
 create mode 100644 extern/icu/ios/Readme.txt
 create mode 100755 extern/icu/ios/aarch64/config.sh
 create mode 100755 extern/icu/ios/aarch64/mk.sh
 create mode 100644 extern/icu/ios/crossenv.sh
 create mode 100755 extern/icu/ios/linux/config.sh
 create mode 100755 extern/icu/ios/linux/mk.sh

diff --git a/extern/icu/ios/Readme.txt b/extern/icu/ios/Readme.txt
new file mode 100644
index 0000000000..a867cbfc36
--- /dev/null
+++ b/extern/icu/ios/Readme.txt
@@ -0,0 +1,2 @@
+This directory contains files needed for cross-build of IBM ICU 63.1 for IOS on amd64 linux host.
+Assuming xcode SDK is present in ${MACTOOLS}.
diff --git a/extern/icu/ios/aarch64/config.sh b/extern/icu/ios/aarch64/config.sh
new file mode 100755
index 0000000000..9f431f5fb0
--- /dev/null
+++ b/extern/icu/ios/aarch64/config.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+. ../crossenv.sh
+
+../source/configure --prefix=$(pwd)/prebuilt \
+    --host=aarch64-apple-darwin \
+    --enable-static=no \
+    --enable-shared \
+    --enable-extras=no \
+    --enable-strict=no \
+    --enable-icuio=no \
+    --enable-layout=no \
+    --enable-layoutex=no \
+    --enable-tools=no \
+    --enable-tests=no \
+    --enable-samples=no \
+    --enable-renaming \
+    --enable-dyload \
+    --with-cross-build=`realpath ../linux` \
+    CFLAGS='-Os' \
+    CXXFLAGS='--std=c++11' \
+    LDFLAGS='-static-libstdc++' \
+    --with-data-packaging=archive
diff --git a/extern/icu/ios/aarch64/mk.sh b/extern/icu/ios/aarch64/mk.sh
new file mode 100755
index 0000000000..cc8d24ad27
--- /dev/null
+++ b/extern/icu/ios/aarch64/mk.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+. ../crossenv.sh
+
+make -j15 && make install
+
diff --git a/extern/icu/ios/crossenv.sh b/extern/icu/ios/crossenv.sh
new file mode 100644
index 0000000000..4a1f0e1970
--- /dev/null
+++ b/extern/icu/ios/crossenv.sh
@@ -0,0 +1,22 @@
+#MACTOOLS=/usr/home/firebird/Mac/mactools
+
+export PATH=${MACTOOLS}/usr/bin:$PATH
+export LD_LIBRARY_PATH=${MACTOOLS}/usr/lib:$LD_LIBRARY_PATH
+
+CROSS_PREFIX=${MACTOOLS}/usr/bin/arm-apple-darwin11-
+
+export CXX=${CROSS_PREFIX}clang++
+export CC=${CROSS_PREFIX}clang
+export AR=${CROSS_PREFIX}ar
+
+#AS=${CROSS_PREFIX}as
+
+export LD=${CROSS_PREFIX}ld
+
+#NM=${CROSS_PREFIX}nm
+#OBJCOPY=${CROSS_PREFIX}objcopy
+#OBJDUMP=${CROSS_PREFIX}objdump
+
+export RANLIB=${CROSS_PREFIX}ranlib
+
+#STRIP=${CROSS_PREFIX}strip
diff --git a/extern/icu/ios/linux/config.sh b/extern/icu/ios/linux/config.sh
new file mode 100755
index 0000000000..a8b56024aa
--- /dev/null
+++ b/extern/icu/ios/linux/config.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+../source/runConfigureICU Linux --prefix=$PWD/prebuilt \
+    CFLAGS="-Os" \
+    CXXFLAGS="--std=c++11" \
+    --enable-static \
+    --enable-shared=no \
+    --enable-extras=no \
+    --enable-strict=no \
+    --enable-icuio=no \
+    --enable-layout=no \
+    --enable-layoutex=no \
+    --enable-tools \
+    --enable-tests=no \
+    --enable-samples=no \
+    --enable-dyload \
+    --with-data-packaging=archive
diff --git a/extern/icu/ios/linux/mk.sh b/extern/icu/ios/linux/mk.sh
new file mode 100755
index 0000000000..119e11c44b
--- /dev/null
+++ b/extern/icu/ios/linux/mk.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+make -j15 && make install
+