[英]Libpqxx complaining about missing references
So I have the following problem: 所以我有以下问题:
g++ -std=c++0x -O3 -I/usr/include/scip main.cpp locations/locationreader.cpp locations/locationassigner.cpp scheduler.o optimizer.o dbmanager.o scheduleData.o exam.o -o main -L/usr/lib -lscip -lreadline -lgmp -lz -llpispx -lsoplex -lobjscip -lnlpi.cppad -lscipopt -lzimpl -lpqxx -lpq -pthread
/usr/lib/../lib64/libpqxx.so: undefined reference to `PQescapeIdentifier'
collect2: error: ld returned 1 exit status
make: *** [main] Error 1
And I cannot figure out why it cannot find the reference because I have libpq installed and its right there in /usr/lib64 我无法弄清楚为什么它找不到引用,因为我已经安装了libpq并且它位于/ usr / lib64中
$ ls | grep pq
libpq.so
libpq.so.5
libpq.so.5.2
libpqxx-4.0.so
libpqxx.so
So if I could get any help with this that would be lovely 所以,如果我能得到任何帮助,那将是可爱的
PQescapeIdentifier
appeared in PostgreSQL 9.0, which corresponds to libpq.so.5.3
PQescapeIdentifier
出现在PostgreSQL 9.0中,对应于libpq.so.5.3
9.0 release notes have this entry: 9.0 发行说明有此条目:
Add libpq functions PQescapeLiteral() and PQescapeIdentifier() (Robert Haas)
添加libpq函数PQescapeLiteral()和PQescapeIdentifier()(Robert Haas)
You seem to use client libraries from PostgreSQL-8.4 ( libpq.so.5.2
), that would be why it lacks this function. 您似乎使用PostgreSQL-8.4(
libpq.so.5.2
)中的客户端库,这就是它缺少此功能的原因。
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