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@ -103,6 +103,7 @@
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# Experimental (does not work properly):
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# WITH_NETWORK: enable networking
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# WITH_DIRECTMUSIC: enable DirectMusic MIDI support
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# DEDICATED: allows compilation on UNIX without SDL. Useful for dedicated servers
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##############################################################################
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@ -112,7 +113,7 @@
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# Makefile version tag
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# it checks if the version tag in makefile.config is the same and force update outdated config files
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MAKEFILE_VERSION:=3
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MAKEFILE_VERSION:=4
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# CONFIG_WRITER have to be found even for manual configuration
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CONFIG_WRITER=makefiledir/Makefile.config_writer
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@ -207,9 +208,17 @@ endif
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# Force SDL on UNIX platforms
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ifndef WITH_SDL
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ifdef UNIX
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$(error You need to have SDL installed in order to run OpenTTD on UNIX.)
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ifndef DEDICATED
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$(error You need to have SDL installed in order to run OpenTTD on UNIX. Use DEDICATED if you want to compile a CLI based server)
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endif
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endif
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endif
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# For some reason it will not link with libpng if SDL is disabled
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# this automatically disables libpng if no SDL is found
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ifndef WITH_SDL
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WITH_PNG:=
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endif
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