diff options
| -rw-r--r-- | NEWS | 40 |
1 files changed, 35 insertions, 5 deletions
@@ -129,7 +129,7 @@ Version 0.15.0 coptions = $cc.coptions $cxx.coptions depdb dyndep $poptions --what=header --default-type=h -- \ - $cxx.path $poptions $coptions $cxx.mode -M -MG $s + $cxx.path $poptions $coptions $cxx.mode -M -MG $s diag c++ ($<[0]) @@ -140,7 +140,7 @@ Version 0.15.0 t = $(o).t depdb dyndep $poptions --what=header --default-type=h --file $t -- \ - $cxx.path $poptions $coptions $cxx.mode -M -MG $s >$t + $cxx.path $poptions $coptions $cxx.mode -M -MG $s >$t The above depdb-dyndep commands will run the C++ compiler with the -M -MG options to extract the header dependency information, parse the resulting @@ -231,19 +231,49 @@ Version 0.15.0 s = $path($<[0]) o = $path($>) - poptions = $cxx.poptions $cc.poptions - poptions += $cxx.lib_poptions(libue{hello-meta}, obje) + lib_poptions = $cxx.lib_poptions(libue{hello-meta}, obje) + depdb hash $lib_poptions + + poptions = $cxx.poptions $cc.poptions $lib_poptions coptions = $cc.coptions $cxx.coptions depdb dyndep $poptions --what=header --default-type=h \ --update-exclude libue{hello-meta} -- \ - $cxx.path $poptions $coptions $cxx.mode -M -MG $s + $cxx.path $poptions $coptions $cxx.mode -M -MG $s diag c++ ($<[0]) $cxx.path $poptions $coptions $cxx.mode -o $o -c $s }} + As another example, sometimes we need to extract the "common interface" + preprocessor options that are independent of the the library type (static + or shared). For example, the Qt moc compiler needs to "see" the C/C++ + preprocessor options from imported libraries if they could affect its + input. Here is how we can implement this: + + import libs = libhello%lib{hello} + + libul{hello-meta}: $libs + + cxx{hello-moc}: hxx{hello} libul{hello-meta} $moc + {{ + s = $path($<[0]) + o = $path($>[0]) + t = $(o).t + + lib_poptions = $cxx.lib_poptions(libul{hello-meta}) + depdb hash $lib_poptions + + depdb dyndep --byproduct --drop-cycles --what=header --default-type=h \ + --update-exclude libul{hello-meta} --file $t + + diag moc ($<[0]) + + $moc $cc.poptions $cxx.poptions $lib_poptions \ + -f $leaf($s) --output-dep-file --dep-file-path $t -o $o $s + }} + Planned future improvements include support for the `lines` (list of files, one per line) input format in addition to `make` and support for dynamic targets in addition to prerequisites. |