| gcc { |
| # on Windows, MinGW's support for -flto=N is broken |
| intel_icc { |
| QMAKE_LFLAGS_LTCG ~= s/-ipo/-ipo=$$QMAKE_HOST.cpu_count/ |
| } else: !clang:!equals(QMAKE_HOST.os, Windows):greaterThan(QMAKE_HOST.cpu_count, 1) { |
| # Override LTO number of jobs |
| QMAKE_LFLAGS_LTCG ~= s/^-flto$/-flto=$$QMAKE_HOST.cpu_count/ |
| } |
| |
| # When doing link-time code generation, we need to pass the compiler |
| # flags during linking the stage too. This file is processed after |
| # default_post.prf, so the QMAKE_CXXFLAGS already contains |
| # QMAKE_CXXFLAGS_DEBUG or _RELEASE. |
| use_c_linker { |
| # use_c_linker.prf is in effect, use the C flags |
| QMAKE_LFLAGS_LTCG += $$QMAKE_CFLAGS $$QMAKE_CFLAGS_LTCG |
| QMAKE_LFLAGS_APP += $$QMAKE_CFLAGS_APP |
| QMAKE_LFLAGS_SHLIB += $$QMAKE_CFLAGS_SHLIB |
| QMAKE_LFLAGS_PLUGIN += $$QMAKE_CFLAGS_SHLIB |
| } else { |
| QMAKE_LFLAGS_LTCG = $$QMAKE_CXXFLAGS $$QMAKE_LFLAGS_LTCG |
| QMAKE_LFLAGS_APP += $$QMAKE_CXXFLAGS_APP |
| QMAKE_LFLAGS_SHLIB += $$QMAKE_CXXFLAGS_SHLIB |
| QMAKE_LFLAGS_PLUGIN += $$QMAKE_CFLAGS_SHLIB |
| } |
| } |
