[PATCH 5/6] libstdc++: Update AM_PROG_LIBTOOL to LT_INIT [PR103459]

[Jonathan Wakely]

On Wed, 24 Jun 2026 at 22:58 -0400, Pietro Monteiro wrote:
>AM_PROG_LIBTOOL has been deprecated by llib tool. Update to LT_INIT.

"llib tool" should be just "libtool", right?

OK with that change.

>
>	PR bootstrap/103459
>
>libstdc++-v3/ChangeLog:
>
>	* configure: Regenerate.
>	* configure.ac: Update AM_PROG_LIBTOOL to LT_INIT.
>
>Signed-off-by: Pietro Monteiro <pietro@sociotechnical.xyz>
>---
> libstdc++-v3/configure    | 2 +-
> libstdc++-v3/configure.ac | 4 ++--
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
>diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
>index f3cc12329b0..101212d06a8 100755
>--- a/libstdc++-v3/configure
>+++ b/libstdc++-v3/configure
>@@ -16192,7 +16192,7 @@ fi
>
>
> # Override the libtool's pic_flag and pic_mode.
>-# Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT.
>+# Do this step after LT_INIT, but before AC_OUTPUT.
> # NB: this impacts --with-pic and --without-pic.
> lt_prog_compiler_pic_CXX="$glibcxx_compiler_pic_flag $glibcxx_compiler_shared_flag"
> pic_mode='default'
>diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
>index adfada8be4b..c442d068e7a 100644
>--- a/libstdc++-v3/configure.ac
>+++ b/libstdc++-v3/configure.ac
>@@ -105,7 +105,7 @@ if test "x${with_newlib}" != "xyes" &&
>     test "x$with_headers" != "xno"; then
>   AC_LIBTOOL_DLOPEN
> fi
>-AM_PROG_LIBTOOL
>+LT_INIT
> ACX_LT_HOST_FLAGS
> AC_SUBST(enable_shared)
> AC_SUBST(enable_static)
>@@ -150,7 +150,7 @@ AC_SUBST(glibcxx_compiler_pic_flag)
> AC_SUBST(glibcxx_compiler_shared_flag)
>
> # Override the libtool's pic_flag and pic_mode.
>-# Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT.
>+# Do this step after LT_INIT, but before AC_OUTPUT.
> # NB: this impacts --with-pic and --without-pic.
> lt_prog_compiler_pic_CXX="$glibcxx_compiler_pic_flag $glibcxx_compiler_shared_flag"
> pic_mode='default'
>-- 
>2.43.0
>
>