[newlib-cygwin] newlib: drop cygnus EXEEXT hack

[Michael Frysinger <vapier@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=b63a4bb49ac3b3f64407d5572755ec8978971439

commit b63a4bb49ac3b3f64407d5572755ec8978971439
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Sat Feb 5 02:19:42 2022 -0500

    newlib: drop cygnus EXEEXT hack
    
    Now that we rely on AC_NO_EXECUTABLES to disable link tests, we don't
    need this hack to disable exeext probing.

Diff:
---
 newlib/acinclude.m4                                      | 12 ------------
 newlib/configure                                         | 16 ++--------------
 newlib/libc/configure                                    | 16 ++--------------
 newlib/libc/sys/linux/configure                          | 16 ++--------------
 newlib/libc/sys/linux/linuxthreads/configure             | 16 ++--------------
 newlib/libc/sys/linux/linuxthreads/machine/configure     | 16 ++--------------
 .../libc/sys/linux/linuxthreads/machine/i386/configure   | 16 ++--------------
 newlib/libc/sys/linux/machine/configure                  | 16 ++--------------
 newlib/libc/sys/linux/machine/i386/configure             | 16 ++--------------
 newlib/libc/sys/phoenix/configure                        | 12 ------------
 newlib/libc/sys/phoenix/machine/arm/configure            | 12 ------------
 newlib/libc/sys/phoenix/machine/configure                | 12 ------------
 newlib/libm/configure                                    | 16 ++--------------
 13 files changed, 18 insertions(+), 174 deletions(-)

diff --git a/newlib/acinclude.m4 b/newlib/acinclude.m4
index ba42378c9..946696d14 100644
--- a/newlib/acinclude.m4
+++ b/newlib/acinclude.m4
@@ -137,18 +137,6 @@ ac_given_INSTALL=$INSTALL
 
 AM_MAINTAINER_MODE
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-  AC_EXEEXT
-  dummy_var=1
-fi
-
 . [$]{newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
diff --git a/newlib/configure b/newlib/configure
index 9a440e4ca..1c493d264 100755
--- a/newlib/configure
+++ b/newlib/configure
@@ -4899,18 +4899,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
@@ -11675,7 +11663,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11678 "configure"
+#line 11666 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11781,7 +11769,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11784 "configure"
+#line 11772 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/newlib/libc/configure b/newlib/libc/configure
index 232eb4a74..80cf80af8 100755
--- a/newlib/libc/configure
+++ b/newlib/libc/configure
@@ -4594,18 +4594,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
@@ -11379,7 +11367,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11382 "configure"
+#line 11370 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11485,7 +11473,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11488 "configure"
+#line 11476 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/newlib/libc/sys/linux/configure b/newlib/libc/sys/linux/configure
index 3f8fe6b34..18ab62a9d 100755
--- a/newlib/libc/sys/linux/configure
+++ b/newlib/libc/sys/linux/configure
@@ -4474,18 +4474,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
@@ -11250,7 +11238,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11253 "configure"
+#line 11241 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11356,7 +11344,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11359 "configure"
+#line 11347 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/newlib/libc/sys/linux/linuxthreads/configure b/newlib/libc/sys/linux/linuxthreads/configure
index 7e6f508d7..b0e5d4dc1 100755
--- a/newlib/libc/sys/linux/linuxthreads/configure
+++ b/newlib/libc/sys/linux/linuxthreads/configure
@@ -4472,18 +4472,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
@@ -11248,7 +11236,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11251 "configure"
+#line 11239 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11354,7 +11342,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11357 "configure"
+#line 11345 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/newlib/libc/sys/linux/linuxthreads/machine/configure b/newlib/libc/sys/linux/linuxthreads/machine/configure
index 54cadc4d4..6b42e0bba 100755
--- a/newlib/libc/sys/linux/linuxthreads/machine/configure
+++ b/newlib/libc/sys/linux/linuxthreads/machine/configure
@@ -4472,18 +4472,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
@@ -11248,7 +11236,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11251 "configure"
+#line 11239 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11354,7 +11342,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11357 "configure"
+#line 11345 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/newlib/libc/sys/linux/linuxthreads/machine/i386/configure b/newlib/libc/sys/linux/linuxthreads/machine/i386/configure
index d9e821d77..b18de3636 100755
--- a/newlib/libc/sys/linux/linuxthreads/machine/i386/configure
+++ b/newlib/libc/sys/linux/linuxthreads/machine/i386/configure
@@ -4468,18 +4468,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
@@ -11244,7 +11232,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11247 "configure"
+#line 11235 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11350,7 +11338,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11353 "configure"
+#line 11341 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/newlib/libc/sys/linux/machine/configure b/newlib/libc/sys/linux/machine/configure
index fe8fd1297..ac0af470b 100755
--- a/newlib/libc/sys/linux/machine/configure
+++ b/newlib/libc/sys/linux/machine/configure
@@ -4473,18 +4473,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
@@ -11249,7 +11237,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11252 "configure"
+#line 11240 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11355,7 +11343,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11358 "configure"
+#line 11346 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/newlib/libc/sys/linux/machine/i386/configure b/newlib/libc/sys/linux/machine/i386/configure
index 4eef44f3a..f7e54a73f 100755
--- a/newlib/libc/sys/linux/machine/i386/configure
+++ b/newlib/libc/sys/linux/machine/i386/configure
@@ -4468,18 +4468,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
@@ -11244,7 +11232,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11247 "configure"
+#line 11235 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11350,7 +11338,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11353 "configure"
+#line 11341 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/newlib/libc/sys/phoenix/configure b/newlib/libc/sys/phoenix/configure
index c22057b07..fcb1af54b 100644
--- a/newlib/libc/sys/phoenix/configure
+++ b/newlib/libc/sys/phoenix/configure
@@ -4199,18 +4199,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
diff --git a/newlib/libc/sys/phoenix/machine/arm/configure b/newlib/libc/sys/phoenix/machine/arm/configure
index 7347be23c..23f199203 100644
--- a/newlib/libc/sys/phoenix/machine/arm/configure
+++ b/newlib/libc/sys/phoenix/machine/arm/configure
@@ -4196,18 +4196,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
diff --git a/newlib/libc/sys/phoenix/machine/configure b/newlib/libc/sys/phoenix/machine/configure
index c8555b0ef..0ca599493 100644
--- a/newlib/libc/sys/phoenix/machine/configure
+++ b/newlib/libc/sys/phoenix/machine/configure
@@ -4204,18 +4204,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
diff --git a/newlib/libm/configure b/newlib/libm/configure
index 0c9c6def2..3542c9fc5 100755
--- a/newlib/libm/configure
+++ b/newlib/libm/configure
@@ -4502,18 +4502,6 @@ fi
 
 
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-
-  dummy_var=1
-fi
-
 . ${newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
@@ -11278,7 +11266,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11281 "configure"
+#line 11269 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11384,7 +11372,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11387 "configure"
+#line 11375 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H