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Asked: 2026-05-13T06:03:24+00:00

I want to compile the icu sqlite extension statically linked to icu . This

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I want to compile the icu sqlite extension statically linked to icu.

This is what I’ve tried, maybe the mistake is obvious to you.

> cd icu/source
> ./runConfigureIcu Linux --enable-static --with-packaging-format=archive
...
> make

> cd ../../icu-sqlite
> gcc -o libSqliteIcu.so -shared icu.c -I../icu/source/common
      -I../icu/source/i18n -L ../icu/source/lib -lsicuuc -lsicui18n -lsicudata
...
> sqlite3
> .load "libSqliteIcu.so"
Undefined symbol utf8_countTrailBytes

Files

icu sqlite extension

Download icu.c from sqlite.org

ICU 4.2.1

Download ICU4C from icu-project.org

My Requirements

  • Runs on Linux & Windows
  • Only one file that I have to distribute: libSqliteIcu.so.

Any idea what else I can try?

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1 Answer

  1. Editorial Team

    This command line worked for me on Linux:

    g++ -shared --language c  -o libSqliteIcu.so icu.c  -I../icu/source/common -I../icu/source/i18n -lpthread -lm   -L../icu/source/lib -lsicui18n -lsicuuc -lsicudata  -lpthread -lm

    Notice the ordering of the library files, and the use of g++ to make sure the c++ runtime is referenced even though we’re compiling a C file.

    NB.
    I used the output of icu-config --prefix=../icu/source --ldflags.

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