I've tried to build under fedora 23
./configure CXXFLAGS="-W./configure --with-wx-version=3.0 CXXFLAGS="-Wno-deprecated-declarations -Wl,-z,lazy -fPIC -pie" CFLAGS="-fPIC -pie"
make -j 10
but it failed on linking stage with errors like
pgAdmin3.o: In function `wxCreateApp()':
pgAdmin3.cpp:(.text+0x16): undefined reference to `wxAppConsole::CheckBuildOptions(char const*, char const*)'
pgAdmin3.o: In function `frmDlgTest::frmDlgTest()':
pgAdmin3.cpp:(.text+0x381): undefined reference to `wxDir::~wxDir()'
pgAdmin3.cpp:(.text+0x423): undefined reference to `wxDir::~wxDir()'
pgAdmin3.o: In function `pgAdmin3::OnInit()':
.....
