52 lines
1.7 KiB
Diff
52 lines
1.7 KiB
Diff
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Remove obsolete a.out linker test. It contains an implicit
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function declaration, leading to false positives.
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Submitted upstream:
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<https://lists.gnu.org/archive/html/emacs-devel/2022-12/msg01019.html>
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diff --git a/configure.ac b/configure.ac
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index 660784347bbc0dcd..cc390d40b33a1d8f 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -2493,39 +2493,6 @@ if test "${HAVE_X11}" = "yes"; then
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export LD_RUN_PATH
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fi
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- if test "${opsys}" = "gnu-linux"; then
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- AC_CACHE_CHECK([whether X on GNU/Linux needs -b to link], [emacs_cv_b_link],
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- [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
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- [[XOpenDisplay ("foo");]])],
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- [xgnu_linux_first_failure=no],
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- [xgnu_linux_first_failure=yes])
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- if test "${xgnu_linux_first_failure}" = "yes"; then
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- OLD_CPPFLAGS="$CPPFLAGS"
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- OLD_LIBS="$LIBS"
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- CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
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- LIBS="$LIBS -b i486-linuxaout"
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- AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
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- [[XOpenDisplay ("foo");]])],
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- [xgnu_linux_second_failure=no],
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- [xgnu_linux_second_failure=yes])
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- if test "${xgnu_linux_second_failure}" = "yes"; then
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- # If we get the same failure with -b, there is no use adding -b.
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- # So leave it out. This plays safe.
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- emacs_cv_b_link=no
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- else
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- emacs_cv_b_link=yes
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- fi
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- CPPFLAGS=$OLD_CPPFLAGS
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- LIBS=$OLD_LIBS
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- else
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- emacs_cv_b_link=no
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- fi])
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- if test "x$emacs_cv_b_link" = xyes ; then
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- LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
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- C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
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- fi
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- fi
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-
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# Reportedly, some broken Solaris systems have XKBlib.h but are missing
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# header files included from there.
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AC_CACHE_CHECK([for Xkb], [emacs_cv_xkb],
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