c++ - usr/bin/ld: cannot find -lexpat -

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i trying compile software scons error saying,

usr/bin/ld: cannot find -lexpat

can please tell me how can fix it? thank much. here's full error message:

scons: reading sconscript files ... we're on 64-bit machine use 32-bit libs & executables on 64 bit system osname = linux-x86_64-32 no installation being done  scons: done reading sconscript files. scons: building targets ... g++ -o src/examples/.linux-x86_64-32/dana -m32 src/examples/.linux-x86_64-32/dana.o -lsrc/libsrc/.linux-x86_64-32 -lsrc/libsrc -lsrc/libsrc++/.linux-x86_64-32 -lsrc/libsrc++ -levioxx -levio -lpthread -lexpat -lz -ldl -lm /usr/bin/ld: cannot find -lexpat collect2: error: ld returned 1 exit status scons: *** [src/examples/.linux-x86_64-32/dana] error 1 scons: building terminated because of errors.


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