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-rwxr-xr-xscripts/vendor/icu.sh54
1 files changed, 54 insertions, 0 deletions
diff --git a/scripts/vendor/icu.sh b/scripts/vendor/icu.sh
new file mode 100755
index 0000000000..8ee9cd76fb
--- /dev/null
+++ b/scripts/vendor/icu.sh
@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+source "$(dirname "${BASH_SOURCE[0]}")/common.sh"
+
+NAME=icu
+VERSION=61.1
+ROOT=icu/source
+
+download "http://download.icu-project.org/files/icu4c/$VERSION/icu4c-${VERSION//./_}-src.tgz"
+init
+STRIP_COMPONENTS=2 extract_gzip "${ROOT}/common/*.h" "${ROOT}/common/*.cpp"
+STRIP_COMPONENTS=1 extract_gzip "icu/LICENSE"
+
+# List all files we want to extract
+FILES=(
+ ushape.cpp
+ ubidi.cpp
+ ubidi_props.cpp
+ ubidiln.cpp
+ ubidiwrt.cpp
+ ustring.cpp
+ uinvchar.cpp
+ uchar.cpp
+ udataswp.cpp
+ umath.cpp
+ utrie2.cpp
+ utf_impl.cpp
+ utypes.cpp
+ cmemory.cpp
+ cstring.cpp
+)
+
+# Find dependencies for all of these files
+echo ">> Finding dependencies..."
+ALL=()
+for FILE in "${FILES[@]}"; do
+ ALL+=($(cd "common" && $CXX -std=c++14 -I. -c "$FILE" -M | sed -e 's/^[a-z0-9._-]*: *//;s/ *\\$//'))
+done
+
+# Remove duplicates
+IFS=$'\n' ALL=($(sort <<< "${ALL[*]}" | uniq | sed '/^\//d'))
+unset IFS
+
+echo ">> Copying files..."
+mkdir -p src include/unicode
+for FILE in "${ALL[@]}"; do
+ [[ "$FILE" = unicode/* ]] && DIR="include" || DIR="src"
+ # Copy file and replace #include "unicode/*" with #include <unicode/*> so that we can separate
+ # includes and source-only files.
+ sed 's/^#include \"\(unicode\/[^\"]\{1,\}\)\"/#include <\1>/' "common/$FILE" > "$DIR/$FILE"
+done
+
+rm -rf common
+
+file_list include src -name "*.h" -o -name "*.cpp"