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| author | Daniele Buono | 2020-12-05 00:06:11 +0100 |
|---|---|---|
| committer | Paolo Bonzini | 2021-01-02 21:03:09 +0100 |
| commit | cdad781d0945a39c936999b75ca18dbf066c1708 (patch) | |
| tree | f9c31d342175ed4c009d83468b0c0f319ee33b39 /configure | |
| parent | target/i386: Check privilege level for protected mode 'int N' task gate (diff) | |
| download | qemu-cdad781d0945a39c936999b75ca18dbf066c1708.tar.gz qemu-cdad781d0945a39c936999b75ca18dbf066c1708.tar.xz qemu-cdad781d0945a39c936999b75ca18dbf066c1708.zip | |
configure,meson: add option to enable LTO
This patch allows to compile QEMU with link-time optimization (LTO).
Compilation with LTO is handled directly by meson. This patch only
adds the option in configure and forwards the request to meson
Tested with all major versions of clang from 6 to 12
Signed-off-by: Daniele Buono <dbuono@linux.vnet.ibm.com>
Message-Id: <20201204230615.2392-2-dbuono@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -242,6 +242,7 @@ host_cc="cc" audio_win_int="" libs_qga="" debug_info="yes" +lto="false" stack_protector="" safe_stack="" use_containers="yes" @@ -1182,6 +1183,10 @@ for opt do ;; --disable-werror) werror="no" ;; + --enable-lto) lto="true" + ;; + --disable-lto) lto="false" + ;; --enable-stack-protector) stack_protector="yes" ;; --disable-stack-protector) stack_protector="no" @@ -1779,6 +1784,7 @@ disabled with --disable-FEATURE, default is enabled if available module-upgrades try to load modules from alternate paths for upgrades debug-tcg TCG debugging (default is disabled) debug-info debugging information + lto Enable Link-Time Optimization. sparse sparse checker safe-stack SafeStack Stack Smash Protection. Depends on clang/llvm >= 3.7 and requires coroutine backend ucontext. @@ -6965,6 +6971,7 @@ NINJA=$ninja $meson setup \ -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ ${staticpic:+-Db_staticpic=$staticpic} \ -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ + -Db_lto=$lto \ -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \ -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf \ -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \ |