[gdal-dev] a trouled problem about PROJ-4

=?GB2312?B?wu3R3sjj?= luckmdw at gmail.com
Sat Apr 4 03:11:43 EDT 2009


Hello,my friends:
   I have a trouble that trouble me so  long.in a few weeks ago,i accepte a
project to compile a program about gps application,which use the
proj.4.6.1,to ran on the intel Xscale  pxa270 Platform.in the fowllow,i
configure the PROJ and then compile it on the cross-compiling toolchain.
#!/bin/bash
rm -f config.cache config.status
make clean
CC=arm-linux-gcc \
CXX=arm-linux-g++ \
#CFLAGS="-pipe -s -O2 -march=armv5te -mtune=xscale" \
#LDFLAGS="-Wl,-O1"
./configure --prefix=/root/gis \
  --build=i686-pc-linux-gnu \
  --host=arm-linux \
  --target=arm-linux\
  --with-PACKAGE=yes \
  --enable-FEATURE=yes
make
make install

 I will also post a section of my program that include the pj_init()
function that seems cause the error.
void EngineCommon::initialize_proj_ref()
{
    if(projRef != NULL) release_proj_ref();

    char* parameters[]={"proj=lcc","ellps=WGS84"};

//double lat_1=45;
//double lat_2=60;
      if(!(projRef = pj_init(2,parameters))){
     //if(!(projRef = pj_init_plus(*parameters))){
        printf("Projection Initialization Failure:
%d\n%s\n",pj_errno,pj_strerrno(pj_errno));
      printf("error number:%d\n",pj_errno);

    }

}
    my program can run on the pc succsessfully ,but when i transplantate
after compile it together with the proj which utilize the arm
cross-compiling toolchian,and then run on the Xscale platform,some
information may suggest some error on the terminal,confer to the follow;

   Projection Initialization Failure: -21
    conic lat_1 =
-lat_2
    error
number:-21
    table poi_category already
exists
    466163d,0d,0
    Aborted
      but i don't konw the reason ,two weeks have elapsed and i am in urgent
for solving the problem , is any friend encouter the same situation ,any
suggestion is thanking,help me please!
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