gdbsupport: replace AC_TRY_COMPILE in common.m4

... with AC_COMPILE_IFELSE + AC_LANG_PROGRAM.  All the changes in the
generated configure files are insignificant whitespace changes.

gdb/ChangeLog:

	* configure: Re-generate.

gdbserver/ChangeLog:

	* configure: Re-generate.

gdbsupport/ChangeLog:

	* common.m4: Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE +
	AC_LANG_PROGRAM.
	* configure: Re-generate.

Change-Id: Id58e6e887f6be817d52b189921845838031dbd2a

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d9484b71bc5b4c4a6a1c90c5945aeac57761631d..e3734cf564a2a259f3ed33a30506cbbf77dde49b 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -10,6 +10,10 @@
 
        * configure: Re-generate.
 
+2020-10-31  Simon Marchi  <simon.marchi@polymtl.ca>
+
+       * configure: Re-generate.
+
 2020-10-31  Simon Marchi  <simon.marchi@polymtl.ca>
 
        * acinclude.m4: Modernize.

diff --git a/gdb/configure b/gdb/configure
index 801e7a152e7b95d183759a1409c5557822f7f89c..a08c8c57ae395b9251de5a9f0493a13c2d9986bc 100755 (executable)
--- a/gdb/configure
+++ b/gdb/configure
@@ -14232,13 +14232,14 @@ if ${gdb_cv_func_sigsetjmp+:} false; then :
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-  #include <setjmp.h>
-
+#include <setjmp.h>
 int
 main ()
 {
-sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);
+sigjmp_buf env;
+           while (! sigsetjmp (env, 1))
+             siglongjmp (env, 1);
+
   ;
   return 0;
 }
@@ -14247,8 +14248,10 @@ if ac_fn_c_try_compile "$LINENO"; then :
   gdb_cv_func_sigsetjmp=yes
 else
   gdb_cv_func_sigsetjmp=no
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_func_sigsetjmp" >&5
 $as_echo "$gdb_cv_func_sigsetjmp" >&6; }

diff --git a/gdbserver/ChangeLog b/gdbserver/ChangeLog
index 5da03da286878e208473c6d925aa5f3654da5205..505ad8ef9f6960e4ea43c54c5c70574ffa6e2184 100644 (file)
--- a/gdbserver/ChangeLog
+++ b/gdbserver/ChangeLog
@@ -10,6 +10,10 @@
 
        * configure: Re-generate.
 
+2020-10-31  Simon Marchi  <simon.marchi@polymtl.ca>
+
+       * configure: Re-generate.
+
 2020-10-31  Simon Marchi  <simon.marchi@polymtl.ca>
 
        * configure.ac: Modernize.

diff --git a/gdbserver/configure b/gdbserver/configure
index 39ec4916df7ee6f0c107b09998274d6f02d9a43e..bd48d67973d063bb2df4bfffc85194721ef99de2 100755 (executable)
--- a/gdbserver/configure
+++ b/gdbserver/configure
@@ -8029,13 +8029,14 @@ if ${gdb_cv_func_sigsetjmp+:} false; then :
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-  #include <setjmp.h>
-
+#include <setjmp.h>
 int
 main ()
 {
-sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);
+sigjmp_buf env;
+           while (! sigsetjmp (env, 1))
+             siglongjmp (env, 1);
+
   ;
   return 0;
 }
@@ -8044,8 +8045,10 @@ if ac_fn_c_try_compile "$LINENO"; then :
   gdb_cv_func_sigsetjmp=yes
 else
   gdb_cv_func_sigsetjmp=no
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_func_sigsetjmp" >&5
 $as_echo "$gdb_cv_func_sigsetjmp" >&6; }

diff --git a/gdbsupport/ChangeLog b/gdbsupport/ChangeLog
index 2532a3973a73a5119d4b1cadd7d22a5c2a6d74fd..3d673d481b9826a608bccb6cc0e2f75a62b0eae4 100644 (file)
--- a/gdbsupport/ChangeLog
+++ b/gdbsupport/ChangeLog
@@ -1,3 +1,9 @@
+2020-10-31  Simon Marchi  <simon.marchi@polymtl.ca>
+
+       * common.m4: Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE +
+       AC_LANG_PROGRAM.
+       * configure: Re-generate.
+
 2020-10-31  Simon Marchi  <simon.marchi@polymtl.ca>
 
        * common.m4: Replace AC_FUNC_VFORK with AC_FUNC_FORK.

diff --git a/gdbsupport/common.m4 b/gdbsupport/common.m4
index c265a9b94222821cd97fb865e65ed2413bd2f1f5..4d73938027343435442b15d7cb20723bc5e8f754 100644 (file)
--- a/gdbsupport/common.m4
+++ b/gdbsupport/common.m4
@@ -127,11 +127,20 @@ AC_DEFUN([GDB_AC_COMMON], [
 
   dnl Check if sigsetjmp is available.  Using AC_CHECK_FUNCS won't
   dnl do since sigsetjmp might only be defined as a macro.
-  AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
-  [AC_TRY_COMPILE([
-  #include <setjmp.h>
-  ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
-  gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
+  AC_CACHE_CHECK(
+    [for sigsetjmp],
+    [gdb_cv_func_sigsetjmp],
+    [AC_COMPILE_IFELSE(
+       [AC_LANG_PROGRAM(
+          [#include <setjmp.h>],
+          [sigjmp_buf env;
+           while (! sigsetjmp (env, 1))
+             siglongjmp (env, 1);]
+        )],
+       [gdb_cv_func_sigsetjmp=yes],
+       [gdb_cv_func_sigsetjmp=no]
+     )]
+  )
   if test "$gdb_cv_func_sigsetjmp" = "yes"; then
     AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
   fi

diff --git a/gdbsupport/configure b/gdbsupport/configure
index 1452b350ae319d4f16fbb7a7da67e97581cd3e9c..9c5e59c5f103d78de50de70cd677c8ab482a2059 100755 (executable)
--- a/gdbsupport/configure
+++ b/gdbsupport/configure
@@ -9043,13 +9043,14 @@ if ${gdb_cv_func_sigsetjmp+:} false; then :
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-  #include <setjmp.h>
-
+#include <setjmp.h>
 int
 main ()
 {
-sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);
+sigjmp_buf env;
+           while (! sigsetjmp (env, 1))
+             siglongjmp (env, 1);
+
   ;
   return 0;
 }
@@ -9058,8 +9059,10 @@ if ac_fn_c_try_compile "$LINENO"; then :
   gdb_cv_func_sigsetjmp=yes
 else
   gdb_cv_func_sigsetjmp=no
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_func_sigsetjmp" >&5
 $as_echo "$gdb_cv_func_sigsetjmp" >&6; }