On 2013-09-18 12:47, Bjorn Reese wrote:
On 09/18/2013 08:40 AM, Ulf Samuelsson wrote:
No, the solution is simple. The -l<library> must be AFTER the reference to the object files.
FAIL: g++ -lboost_system myfile.o OK: g++ myfile.o -lboost_system
Maybe there is a good reason for this.
Many linkers are single-pass linkers because that gives better linking speed. See "The linking process" section of:
http://eli.thegreenplace.net/2013/07/09/library-order-in-static-linking/
That still does not mean that you cannot parse a command line before starting the actual link process. Maybe in obscure cases you want tighter control when a library can be used, but it should IMHO be the exception. BR Ulf
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