Pango crash with cross compilation

[Julien Grossholtz]

Hello,

I'm trying to use Clutter on an embedded device, to do so I've cross
compiled Pango and fontconfig. I'm not using X. I've used these options
to cross compile pango :

./configure --prefix=/opt/pango --exec-prefix=/opt/pango --host=
$host_alias --with-x=no


The problem comes when I try to execute a program with some text, I get
a crash :

 ./SimpleText
*** glibc detected *** ./SimpleText: munmap_chunk(): invalid pointer:
0x000827e8 ***
======= Backtrace: =========
/lib/libc.so.6[0x40a57af4]
./SimpleText[0x21a70]
./SimpleText[0xf35c]
./SimpleText(
FcConfigSubstituteWithPat+0x59c)[0xfa5c]
./SimpleText(FcConfigSubstitute+0x30)[0xfdc0]
/opt/pango/lib/libpangocairo-1.0.so.0[0x40211f8c]


I'm able to use fc-match,fc-cache, fc-cat and fc-list, and so to
configure fontconfig. fc-match returns decent answers so I guess it's
working.

The first time I've executed my program it tells this :

(./SimpleText:2682): Pango-CRITICAL **: No modules found:
No builtin or dynamically loaded modules were found.
PangoFc will not work correctly.
This probably means there was an error in the creation of:
  '/opt/pango/etc/pango/pango.modules'
You should create this file by running:
  pango-querymodules > '/opt/pango/etc/pango/pango.modules'

I did it, and it has worked because I've put my libraries in /opt on the
2 systems. But I think that my crash could be related with the content
of  pango.modules on the embedded system :

/opt/pango/lib/pango/1.6.0/modules/pango-hebrew-fc.so
HebrewScriptEngineFc PangoEngineShape PangoRenderFc hebrew:*
/opt/pango/lib/pango/1.6.0/modules/pango-syriac-fc.so
SyriacScriptEngineFc PangoEngineShape PangoRenderFc syriac:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
devaIndicScriptEngineLang PangoEngineLang PangoRenderNone devanagari:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
bengIndicScriptEngineLang PangoEngineLang PangoRenderNone bengali:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
guruIndicScriptEngineLang PangoEngineLang PangoRenderNone gurmukhi:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
gujrIndicScriptEngineLang PangoEngineLang PangoRenderNone gujarati:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
oryaIndicScriptEngineLang PangoEngineLang PangoRenderNone oriya:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
tamlIndicScriptEngineLang PangoEngineLang PangoRenderNone tamil:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
teluIndicScriptEngineLang PangoEngineLang PangoRenderNone telugu:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
kndaIndicScriptEngineLang PangoEngineLang PangoRenderNone kannada:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
mlymIndicScriptEngineLang PangoEngineLang PangoRenderNone malayalam:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-lang.so
sinhIndicScriptEngineLang PangoEngineLang PangoRenderNone sinhala:*
/opt/pango/lib/pango/1.6.0/modules/pango-khmer-fc.so KhmerScriptEngineFc
PangoEngineShape PangoRenderFc khmer:*
/opt/pango/lib/pango/1.6.0/modules/pango-tibetan-fc.so
TibetanScriptEngineFc PangoEngineShape PangoRenderFc tibetan:*
/opt/pango/lib/pango/1.6.0/modules/pango-hangul-fc.so
HangulScriptEngineFc PangoEngineShape PangoRenderFc hangul:*
/opt/pango/lib/pango/1.6.0/modules/pango-basic-fc.so BasicScriptEngineFc
PangoEngineShape PangoRenderFc latin:* cyrillic:* greek:* armenian:*
georgian:* runic:* ogham:* bopomofo:* cherokee:* coptic:* deseret:*
ethiopic:* gothic:* han:* hiragana:* katakana:* old-italic:*
canadian-aboriginal:* yi:* braille:* cypriot:* limbu:* osmanya:*
shavian:* linear-b:* ugaritic:* glagolitic:* cuneiform:* phoenician:*
common:
/opt/pango/lib/pango/1.6.0/modules/pango-arabic-fc.so
ArabicScriptEngineFc PangoEngineShape PangoRenderFc arabic:* nko:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so devaScriptEngineFc
PangoEngineShape PangoRenderFc devanagari:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so bengScriptEngineFc
PangoEngineShape PangoRenderFc bengali:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so guruScriptEngineFc
PangoEngineShape PangoRenderFc gurmukhi:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so gujrScriptEngineFc
PangoEngineShape PangoRenderFc gujarati:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so oryaScriptEngineFc
PangoEngineShape PangoRenderFc oriya:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so tamlScriptEngineFc
PangoEngineShape PangoRenderFc tamil:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so teluScriptEngineFc
PangoEngineShape PangoRenderFc telugu:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so kndaScriptEngineFc
PangoEngineShape PangoRenderFc kannada:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so mlymScriptEngineFc
PangoEngineShape PangoRenderFc malayalam:*
/opt/pango/lib/pango/1.6.0/modules/pango-indic-fc.so sinhScriptEngineFc
PangoEngineShape PangoRenderFc sinhala:*
/opt/pango/lib/pango/1.6.0/modules/pango-arabic-lang.so
ArabicScriptEngineLang PangoEngineLang PangoRenderNone arabic:*
/opt/pango/lib/pango/1.6.0/modules/pango-thai-fc.so ThaiScriptEngineFc
PangoEngineShape PangoRenderFc thai:* lao:*

This is the modules list :

 ls /opt/pango/lib/pango/1.6.0/modules/
pango-arabic-fc.la    pango-arabic-lang.so  pango-hangul-fc.la
pango-hebrew-fc.so  pango-indic-lang.la  pango-khmer-fc.so
pango-thai-fc.la      pango-tibetan-fc.so
pango-arabic-fc.so    pango-basic-fc.la     pango-hangul-fc.so
pango-indic-fc.la   pango-indic-lang.so  pango-syriac-fc.la
pango-thai-fc.so
pango-arabic-lang.la  pango-basic-fc.so     pango-hebrew-fc.la
pango-indic-fc.so   pango-khmer-fc.la     pango-syriac-fc.so
pango-tibetan-fc.la

Maybe these modules are not supposed to be on the embeded system and
comes from the host and so they are causing the crash ?
How can I check that this list of modules is related with my embedded
system and not with the host system ? If they are not I guess I must set
an option to create only the needed modules.

Or maybe I'm doing something else wrong ?


Best regards,

Julien


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