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configure: set optimize flags when CFLAGS is unset

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If we are given CFLAGS - preserve user's request and avoid placing
just -O2 there.
This commit is contained in:
Zdenek Kabelac 2015-05-13 21:30:20 +02:00
parent f207a6d353
commit 3fa66d1036
2 changed files with 4 additions and 6 deletions
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6
configure vendored
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@ -3033,10 +3033,11 @@ test -n "$target_alias" &&
NONENONEs,x,x, &&
program_prefix=${target_alias}-
if test -z "$CFLAGS"; then :
COPTIMISE_FLAG="-O2"
fi
case "$host_os" in
linux*)
CFLAGS="$CFLAGS"
COPTIMISE_FLAG="-O2"
CLDFLAGS="$CLDFLAGS -Wl,--version-script,.export.sym"
ELDFLAGS="-Wl,--export-dynamic"
# FIXME Generate list and use --dynamic-list=.dlopen.sym
@ -3056,7 +3057,6 @@ case "$host_os" in
;;
darwin*)
CFLAGS="$CFLAGS -no-cpp-precomp -fno-common"
COPTIMISE_FLAG="-O2"
CLDFLAGS="$CLDFLAGS"
ELDFLAGS=
CLDWHOLEARCHIVE="-all_load"

4
configure.in
View File

@ -26,10 +26,9 @@ AC_CONFIG_AUX_DIR(autoconf)
dnl -- Get system type
AC_CANONICAL_TARGET([])
AS_IF([test -z "$CFLAGS"], [COPTIMISE_FLAG="-O2"])
case "$host_os" in
linux*)
CFLAGS="$CFLAGS"
COPTIMISE_FLAG="-O2"
CLDFLAGS="$CLDFLAGS -Wl,--version-script,.export.sym"
ELDFLAGS="-Wl,--export-dynamic"
# FIXME Generate list and use --dynamic-list=.dlopen.sym
@ -49,7 +48,6 @@ case "$host_os" in
;;
darwin*)
CFLAGS="$CFLAGS -no-cpp-precomp -fno-common"
COPTIMISE_FLAG="-O2"
CLDFLAGS="$CLDFLAGS"
ELDFLAGS=
CLDWHOLEARCHIVE="-all_load"