Debian13 下使用 icu72 编译 PHP7.4.33
编译icu72
wget https://github.com/unicode-org/icu/releases/download/release-72-1/icu4c-72_1-src.tgz
tar -xzf icu4c-72_1-src.tgz
cd icu/source
./runConfigureICU Linux --prefix=/usr/local/icu72
make -j$(nproc)
make install
编译PHP7.4.33时的make参数
make -j$(nproc) \
CXXFLAGS="-I/usr/local/icu72/include -std=gnu++11 -O2 -fPIC" \
CPPFLAGS="-I/usr/local/icu72/include" \
LDFLAGS="-L/usr/local/icu72/lib" \
ZEND_EXTRA_LIBS='-liconv'