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flto flag

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This commit is contained in:
joonicks 2025-11-20 14:42:36 +01:00
parent 9e9354c6d3
commit d7176f0a27
1 changed files with 26 additions and 3 deletions
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29
configure vendored
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@ -24,6 +24,7 @@ compile=no
install=no
silentopt=no
try_libmusl=no
no_flto=no
# default optimization goal, speed = -O2, size = -Os
optitype=size
@ -271,9 +272,9 @@ do
greet ) ft_greet=no ;;
hostinfo ) ft_hostinfo=no ;;
ircd_ext ) ft_ircd_ext=no ;;
libmusl ) try_libmusl=no ;;
libmusl ) try_libmusl=no ;;
md5 ) ft_md5=no ;;
netcfg ) ft_netcfg=no ;;
netcfg ) ft_netcfg=no ;;
newbie ) ft_newbie=no ;;
note ) ft_note=no ;;
notify ) ft_notify=no ;;
@ -317,6 +318,8 @@ do
--no-pipeflag) cc_pipe_opt=no ;;
--use-ofp) cc_ofp_opt=yes ;;
--no-ofp) cc_ofp_opt=no ;;
--use-flto) no_flto=no ;;
--no-flto) no_flto=yes ;;
--default-yes) ft_default=yes set_feature_defaults ;;
--default-no) ft_default=no set_feature_defaults ;;
--help | -h)
@ -335,6 +338,8 @@ Features and packages:
--sha=internal Use internal routines for SHA password hashes instead of system libraries
--use-ofp Try to use compiler flag -fomit-frame-pointer
--no-ofp Do not use compiler flag -fomit-frame-pointer
--use-flto Try to compile with Link-Time Optimizatons
--no-flto Dont use Link-Time Optimizations
--with-alias ALIAS support
--with-botnet Botnet support
--with-bounce
@ -624,6 +629,9 @@ if [ -z "$cf_cflags" -a -n "$cf_GNUCC" ]; then
fi
fi
#
# test for -pipe flag
#
if [ -z "$cf_cflags" -a -z "$cc_pipe_opt" ]; then
if $CC -pipe -c -o $TESTO $TESTC 1> /dev/null 2> /dev/null && test -r $TESTO; then
cc_pipe_flag="-pipe"
@ -631,6 +639,20 @@ if [ -z "$cf_cflags" -a -z "$cc_pipe_opt" ]; then
fi
fi
#
# test -flto (link-time optimizations)
#
if [ -z "$no_flto" -o "$no_flto" = no ]; then
if [ -z "$cf_cflags" ]; then
if $CC -flto -c -o $TESTO $TESTC 1> /dev/null 2> /dev/null && test -r $TESTO; then
cc_flto_flag="-flto"
echo $ac_n "-flto "$ac_c
fi
fi
else
cc_flto_flag=
fi
oflag="-O2"
if [ "$optitype" = size ]; then
oflag="-Os"
@ -1455,7 +1477,7 @@ cprof="$cc_pg_flag $cc_pg_define"
lprof="$cc_pg_flag $cc_pg_define $libpgdl"
if [ -z "$cf_cflags" ]; then
cf_cflags='$(PIPEFLAG) $(GDBFLAG) $(WARNFLAG) $(OPTIMIZE)'
cf_cflags='$(PIPEFLAG) $(GDBFLAG) $(FLTO_FLAG) $(WARNFLAG) $(OPTIMIZE)'
fi
echo '# This file is generated from Makefile.in' > src/Makefile
@ -1464,6 +1486,7 @@ s%@CC@%$CCshort%;
s%@ldscript@%$ldscript%;
s%@pipeflag@%$cc_pipe_flag%;
s%@gdbflag@%$cc_g_flag%;
s%@flto_flag@%$cc_flto_flag%;
/@cprof@/ { s,@cprof@,$cprof,; };
/@lprof@/ { s,@lprof@,$lprof,; };
/@lflags@/ { s,@lflags@,$lflags,; };