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configure: add optional --enable-native option to compilation flags

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This patch adds an option to enable native CPU optimizations
by adding -march=native to the compiler flags, tuning the
generated code for the build machine at the expense of portability.

In some tests, especially on wrlib I saw 8% perf improvement.
Should be used by developers or those who recompile wmaker for their own usage.
This commit is contained in:
David Maciejak
2026-01-23 23:10:08 -05:00
committed by Carlos R. Mafra
parent 77c3b95fd5
commit 95c68fe26d
2 changed files with 21 additions and 0 deletions
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17
configure.ac
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@@ -130,6 +130,20 @@ AS_IF([test "x$debug" = "xyes"],
]) ])
dnl Native CPU Optimizations Option
dnl =================
m4_divert_push([INIT_PREPARE])dnl
AC_ARG_ENABLE([native],
[AS_HELP_STRING([--enable-native], [enable native option, @<:@default=no@:>@])],
[AS_CASE(["$enableval"],
[yes], [native=yes],
[no], [native=no],
[AC_MSG_ERROR([bad value $enableval for --enable-native])] )],
[native=no])
m4_divert_pop([INIT_PREPARE])dnl
AS_IF([test "x$native" = "xyes"],
[AX_CFLAGS_GCC_OPTION([-march=native])])
AX_CFLAGS_GCC_OPTION([-Wall]) AX_CFLAGS_GCC_OPTION([-Wall])
AX_CFLAGS_GCC_OPTION([-Wextra -Wno-sign-compare]) AX_CFLAGS_GCC_OPTION([-Wextra -Wno-sign-compare])
dnl dnl
@@ -1037,6 +1051,9 @@ echo "Supported graphic format libraries :$supported_gfx"
echo "Unsupported features :$unsupported" echo "Unsupported features :$unsupported"
echo "Pango text layout support in WINGs : $pango" echo "Pango text layout support in WINGs : $pango"
echo "Translated languages to support :$supported_locales" echo "Translated languages to support :$supported_locales"
AS_IF([test "x$native" = "xyes"],
[AS_ECHO(["Target architecture : native"]) ],
[AS_ECHO(["Target architecture : generic"]) ])
AS_IF([test "x$WEB_REPO_ROOT" != "x"], AS_IF([test "x$WEB_REPO_ROOT" != "x"],
[AS_ECHO(["Git repository for WMaker's Website : $WEB_REPO_ROOT"]) ]) [AS_ECHO(["Git repository for WMaker's Website : $WEB_REPO_ROOT"]) ])
AS_IF([test "x$debug" = "xyes"], AS_IF([test "x$debug" = "xyes"],

4
doc/build/Compilation.texi vendored
View File

@@ -651,6 +651,10 @@ appropriate requirements and works with this.
Despite all this, if you think there's a use for it and feel in the mood to help, do not hesitate to Despite all this, if you think there's a use for it and feel in the mood to help, do not hesitate to
discuss on the mailing list @value{emailsupport} to get it working. discuss on the mailing list @value{emailsupport} to get it working.
@item --enable-native
Enable native CPU optimizations by adding @option{-march=native} to the compiler flags, tuning the
generated code for the build machine at the expense of portability.
@item --with-web-repo=@i{PATH} @item --with-web-repo=@i{PATH}
Enable generation of HTML documentation to be uploaded to @sc{Window Maker}'s website. Enable generation of HTML documentation to be uploaded to @sc{Window Maker}'s website.
The @file{@i{PATH}} is the directory where you have cloned the homepage's repository. The @file{@i{PATH}} is the directory where you have cloned the homepage's repository.