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| author | Bruce Hill <bruce@bruce-hill.com> | 2025-10-19 14:44:30 -0400 |
|---|---|---|
| committer | Bruce Hill <bruce@bruce-hill.com> | 2025-10-19 14:44:30 -0400 |
| commit | 42447f4b68235b545cc0e1b91111079c155dc2f8 (patch) | |
| tree | 0304c3c30cf38983a71355bf83f09b4dc80ad938 /configure.sh | |
| parent | c814ebe71f18514c381c33aef574df0edcd0adf2 (diff) | |
Add makefile config option for LTO
Diffstat (limited to 'configure.sh')
| -rwxr-xr-x | configure.sh | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/configure.sh b/configure.sh index 1b5bd272..a4a8daa5 100755 --- a/configure.sh +++ b/configure.sh @@ -37,8 +37,19 @@ read DEFAULT_C_COMPILER if [ -z "$DEFAULT_C_COMPILER" ]; then DEFAULT_C_COMPILER="cc"; fi DEFAULT_C_COMPILER="${DEFAULT_C_COMPILER/#\~/$HOME}" +printf '\033[1mDo you want to build the compiler with Link Time Optimization (LTO)?\033[m\n\033[2m(This makes building the Tomo compiler slower, but makes running Tomo programs faster)\033[m\n\033[1m[y/N]\033[m ' +read USE_LTO +if [ "$USE_LTO" = "y" -o "$USE_LTO" = "Y" ]; then + if $DEFAULT_C_COMPILER -v 2>&1 | grep -q "gcc version"; then + LTO="-flto=auto -fno-fat-lto-objects -Wl,-flto"; + elif $DEFAULT_C_COMPILER -v 2>&1 | grep -q "clang version"; then + LTO="-flto=thin"; + fi +fi + cat <<END >config.mk PREFIX=$PREFIX DEFAULT_C_COMPILER=$DEFAULT_C_COMPILER SUDO=$SUDO +LTO=$LTO END |