[HarfBuzz] Cross-compiling HarfBuzz for ios

Thu Jul 17 16:03:59 PDT 2014

Hi, let me take a look..

On 07/17/2014 01:24 PM, Behdad Esfahbod wrote:
> No idea.
>
> On 14-07-17 11:31 AM, Anita Hui wrote:
>> Hi Behdad :)
>>
>> So I built the two static libraries libharfbuzz.a and libicu-le-hb.a, and put the two and their respective header files into my project, replacing libicule.a and its header files like so:
>>
>>     /Users/anitahui/Projects/main/Gladiator/uswish/samples/FocusAE/src/../../../thirdparty/prebuilt/ios/arch-arm/Debug/libicui18n.a         
>>     /Users/anitahui/Projects/main/Gladiator/uswish/samples/FocusAE/src/../../../thirdparty/prebuilt/ios/arch-arm/Debug/libiculx.a 
>>     /Users/anitahui/Projects/main/Gladiator/uswish/samples/FocusAE/src/../../../thirdparty/prebuilt/ios/arch-arm/Debug/libharfbuzz.a 
>>     /Users/anitahui/Projects/main/Gladiator/uswish/samples/FocusAE/src/../../../thirdparty/prebuilt/ios/arch-arm/Debug/libicu-le-hb.a 
>>     /Users/anitahui/Projects/main/Gladiator/uswish/samples/FocusAE/src/../../../thirdparty/prebuilt/ios/arch-arm/Debug/libicuuc.a 
>>     /Users/anitahui/Projects/main/Gladiator/uswish/samples/FocusAE/src/../../../thirdparty/prebuilt/ios/arch-arm/Debug/libicudata.a 
>>
>> And I'm getting the error below for amv7 as well as armv7s:
>>
>> Undefined symbols for architecture armv7:
>>   "icu_50::LayoutEngine::layoutEngineFactory(icu_50::LEFontInstance const*, int, int, LEErrorCode&)", referenced from:
>>       icu_50::ParagraphLayout::ParagraphLayout(unsigned short const*, int, icu_50::FontRuns const*, icu_50::ValueRuns const*, icu_50::ValueRuns const*, icu_50::LocaleRuns const*, unsigned char, signed char, LEErrorCode&) in libiculx.a(ParagraphLayout.ao)
>>   "icu_50::LayoutEngine::getGlyphs(unsigned int*, LEErrorCode&) const", referenced from:
>>       icu_50::ParagraphLayout::ParagraphLayout(unsigned short const*, int, icu_50::FontRuns const*, icu_50::ValueRuns const*, icu_50::ValueRuns const*, icu_50::LocaleRuns const*, unsigned char, signed char, LEErrorCode&) in libiculx.a(ParagraphLayout.ao)
>>   "icu_50::LayoutEngine::getGlyphPositions(float*, LEErrorCode&) const", referenced from:
>>       icu_50::ParagraphLayout::ParagraphLayout(unsigned short const*, int, icu_50::FontRuns const*, icu_50::ValueRuns const*, icu_50::ValueRuns const*, icu_50::LocaleRuns const*, unsigned char, signed char, LEErrorCode&) in libiculx.a(ParagraphLayout.ao)
>>   "vtable for icu_50::LEFontInstance", referenced from:
>>       icu_50::LEFontInstance::LEFontInstance() in libuswish.a(YiLEFontInstanceFT.o)
>>   NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.
>>   "icu_50::LEFontInstance::canDisplay(int) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::mapCharToGlyph(int, icu_50::LECharMapper const*, signed char) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "typeinfo for icu_50::LEFontInstance", referenced from:
>>       typeinfo for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::mapCharToGlyph(int, icu_50::LECharMapper const*) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::xUnitsToPoints(float) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LayoutEngine::getCharIndices(int*, int, LEErrorCode&) const", referenced from:
>>       icu_50::ParagraphLayout::ParagraphLayout(unsigned short const*, int, icu_50::FontRuns const*, icu_50::ValueRuns const*, icu_50::ValueRuns const*, icu_50::LocaleRuns const*, unsigned char, signed char, LEErrorCode&) in libiculx.a(ParagraphLayout.ao)
>>   "icu_50::LEFontInstance::unitsToPoints(LEPoint&, LEPoint&) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::xPixelsToUnits(float) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::pixelsToUnits(LEPoint&, LEPoint&) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::transformFunits(float, float, LEPoint&) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::yPixelsToUnits(float) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::mapCharsToGlyphs(unsigned short const*, int, int, signed char, icu_50::LECharMapper const*, signed char, icu_50::LEGlyphStorage&) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::getLineHeight() const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::yUnitsToPoints(float) const", referenced from:
>>       vtable for CYILEFontInstanceFT in libuswish.a(YiLEFontInstanceFT.o)
>>   "icu_50::LEFontInstance::~LEFontInstance()", referenced from:
>>       CYILEFontInstanceFT::CYILEFontInstanceFT(CYITextRendererFT*, int) in libuswish.a(YiLEFontInstanceFT.o)
>>       CYILEFontInstanceFT::~CYILEFontInstanceFT() in libuswish.a(YiLEFontInstanceFT.o)
>> ld: symbol(s) not found for architecture armv7
>> clang: error: linker command failed with exit code 1 (use -v to see invocation)
>>
>> Do you have any ideas as to what I'm doing wrong or any thing I may have missed? 
>>
>> Thanks!

Are you really linking against the wrapper or partly against the real
libicule?

ICU ParagraphLayout doesn't have an option to build against HarfBuzz so
you will have to probably do that manually.

Probably ICU's ParagraphLayout (libicul*x*) is linking against ICU's
*libicule*. 

-s
>>
>> ________________________________________
>> From: Behdad Esfahbod <behdad.esfahbod at gmail.com> on behalf of Behdad Esfahbod <behdad at behdad.org>
>> Sent: Wednesday, July 16, 2014 3:02 PM
>> To: Anita Hui; harfbuzz at lists.freedesktop.org
>> Subject: Re: [HarfBuzz] Cross-compiling HarfBuzz for ios
>>
>> D'oh.  Up to you whether you do static or dynamic linking, but icu-le-hb uses
>> HarfBuzz, so yes, you need libharfbuzz one way or another.  If you want
>> all-static, they you need libharfbuzz.a.
>>
>> On 14-07-16 02:43 PM, Anita Hui wrote:
>>> Oh, so do you mean that I would need to link the executable with libharfbuzz.a to use libicu-le-hb.a to replace libicule.a?
>>>
>>> Or that I need to have HarfBuzz on my system in order to build libicu-le-hb.a, which I can then use as a replacement for libicule.a without having to link the executable with libharfbuzz.a?
>>>
>>> ________________________________________
>>> From: Behdad Esfahbod <behdad.esfahbod at gmail.com> on behalf of Behdad Esfahbod <behdad at behdad.org>
>>> Sent: Wednesday, July 16, 2014 2:12 PM
>>> To: Anita Hui; harfbuzz at lists.freedesktop.org
>>> Subject: Re: [HarfBuzz] Cross-compiling HarfBuzz for ios
>>>
>>> On 14-07-16 02:11 PM, Anita Hui wrote:
>>>> Just so I'm sure I understand, does this mean that libicu-le-hb.a is standalone and can directly replace libicule.a without anything extra?
>>> Yes, as long as by "standalone" you mean "only needs harfbuzz". :)
>>>
>>>> Also thanks for responding so quickly :D
>>>>
>>>> ________________________________________
>>>> From: Behdad Esfahbod <behdad.esfahbod at gmail.com> on behalf of Behdad Esfahbod <behdad at behdad.org>
>>>> Sent: Wednesday, July 16, 2014 12:47 PM
>>>> To: Anita Hui; harfbuzz at lists.freedesktop.org
>>>> Subject: Re: [HarfBuzz] Cross-compiling HarfBuzz for ios
>>>>
>>>> On 14-07-16 12:42 PM, Anita Hui wrote:
>>>>> Hi Behdad,
>>>>>
>>>>> Thanks for your response! I have a general question about building static HarfBuzz libraries for replacing icu-LE. I noticed in the configure process when checking for tools, it checks for ICU. Does this mean that I need to have ICU in order to build libharfbuzz-icu.a? Please correct me if I'm wrong but I'm guessing that I need libharfbuzz-icu.a with libicu-le-hb.a in order to replace libicule.a.
>>>> You don't need libharfbuzz-icu to use icu-le-hb.  Same way that ICU Layout
>>>> doesn't actually depend on the rest of ICU. :)
>>>>
>>>> behdad
>>>>
>>>>> Again, thank you for replying! It's much appreciated :)
>>>>>
>>>>> Anita
>>>>>

-- 

IBMer but all opinions are mine.
https://www.ohloh.net/accounts/srl295 // fingerprint @ https://ssl.icu-project.org/trac/wiki/Srl

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