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-rw-r--r--mkspecs/features/link_ltcg.prf5
1 files changed, 5 insertions, 0 deletions
diff --git a/mkspecs/features/link_ltcg.prf b/mkspecs/features/link_ltcg.prf
index 537021f11b..734743ca13 100644
--- a/mkspecs/features/link_ltcg.prf
+++ b/mkspecs/features/link_ltcg.prf
@@ -1,4 +1,9 @@
gcc {
+ !clang:!intel_icc: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