On Wed, November 28, 2012 19:39, Jonas Maebe wrote: > On 28 Nov 2012, at 19:22, waldo kitty wrote: > >> on OS/2 eCS2 i have fpc 2.6.0 release installed... i've been working >> with a library and needed to create a define so that some code would be >> compiled that otherwise is not... since i have to compile from the >> command line with fpc, i compiled my project like this... >> >> fpc -dOS2GCC testhttp >> >> and it did compile with the defined code block... later, i wanted to >> test without that defined code block so i compiled again like this... >> >> fpc testhttp >> >> but the library wasn't recompiled... i had to manually remove the *.O >> and *.ppu files to get it recompiled without the defined code block... >> >> why? > > Changing defines does not cause recompilation of units because e.g. the > defines required to compile the FPC RTL or packages are completely > unrelated to any defines that may or may not be required for compiling > your program. In general, requiring you to specify all defines used for > every unit you use in a program would result in an unmaintainable > situation. > > Additionally, there are some practical difficulties with adding hints for > indicating such situations, see > http://svn.freepascal.org/cgi-bin/viewvc.cgi/trunk/compiler/fppu.pas?annotate=22452#l659
In other words - it is normal, but you can solve it without manually deleting the created *.o and *.ppu files by using the -B parameter (which asks fpc to rebuild all units for which it has sources with the new command line parameters including conditional defines provided on the command line). Tomas _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
