* aclang.m4 (_AC_LANG_COMPILER_GNU): If GNU, dump the compiler

characteristics in the logs.
Suggested by Mo DeJong.

diff --git a/ChangeLog b/ChangeLog
index d519398cb78ccea960b7881d2c5d296e005eaf72..7ccfe2995498193fc9f03117765de50f0b6cf51f 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2001-06-25  Akim Demaille  <akim@epita.fr>
+
+       * aclang.m4 (_AC_LANG_COMPILER_GNU): If GNU, dump the compiler
+       characteristics in the logs.
+       Suggested by Mo DeJong.
+
 2001-06-24  Akim Demaille  <akim@epita.fr>
 
        * acfunctions.m4 (AM_FUNC_ERROR_AT_LINE, AM_FUNC_FNMATCH)

diff --git a/NEWS b/NEWS
index 87bb59b91dfe42625717e020e28aac6d69a96129..674e0975900dc0e7bbee1a24d40697417e34bf51 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -33,8 +33,10 @@
 ** Generic macros
 - AC_CHECK_HEADER and AC_CHECK_HEADERS support a fourth argument to
   specify pre-includes.
-- AC_ARG_VAR refuses to run configure when precious variable have
+- AC_ARG_VAR refuses to run configure when precious variables have
   changed.
+- When a GNU compiler is found, its characteristics are dumped in the
+  log.
 
 ** Specific Macros
 - AC_PATH_XTRA only adds -ldnet to $LIBS if it's needed to link.

diff --git a/aclang.m4 b/aclang.m4
index 156c511c029d888c7c4b1012234e49fe8a86b218..5f6078f58f9a6346b0697a4e5d93d9185ac442b3 100644 (file)
--- a/aclang.m4
+++ b/aclang.m4
@@ -550,6 +550,13 @@ m4_define([_AC_LANG_COMPILER_GNU],
                    [ac_compiler_gnu=yes],
                    [ac_compiler_gnu=no])
 ac_cv_[]_AC_LANG_ABBREV[]_compiler_gnu=$ac_compiler_gnu
+if test $ac_compiler_gnu = yes; then
+  echo "$as_me:__oline__:" \
+     "checking for GNU _AC_LANG compiler characterisitics" >&AS_MESSAGE_LOG_FD
+  ac_compiler=`set X $ac_compile; echo $[2]`
+  _AC_EVAL([$ac_compiler --version </dev/null >&AS_MESSAGE_LOG_FD])
+  _AC_EVAL([$ac_compiler -dumpspecs </dev/null >&AS_MESSAGE_LOG_FD])
+fi
 ])])# _AC_LANG_COMPILER_GNU
 
 

diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4
index 156c511c029d888c7c4b1012234e49fe8a86b218..5f6078f58f9a6346b0697a4e5d93d9185ac442b3 100644 (file)
--- a/lib/autoconf/c.m4
+++ b/lib/autoconf/c.m4
@@ -550,6 +550,13 @@ m4_define([_AC_LANG_COMPILER_GNU],
                    [ac_compiler_gnu=yes],
                    [ac_compiler_gnu=no])
 ac_cv_[]_AC_LANG_ABBREV[]_compiler_gnu=$ac_compiler_gnu
+if test $ac_compiler_gnu = yes; then
+  echo "$as_me:__oline__:" \
+     "checking for GNU _AC_LANG compiler characterisitics" >&AS_MESSAGE_LOG_FD
+  ac_compiler=`set X $ac_compile; echo $[2]`
+  _AC_EVAL([$ac_compiler --version </dev/null >&AS_MESSAGE_LOG_FD])
+  _AC_EVAL([$ac_compiler -dumpspecs </dev/null >&AS_MESSAGE_LOG_FD])
+fi
 ])])# _AC_LANG_COMPILER_GNU
 
 

diff --git a/lib/autoconf/fortran.m4 b/lib/autoconf/fortran.m4
index 156c511c029d888c7c4b1012234e49fe8a86b218..5f6078f58f9a6346b0697a4e5d93d9185ac442b3 100644 (file)
--- a/lib/autoconf/fortran.m4
+++ b/lib/autoconf/fortran.m4
@@ -550,6 +550,13 @@ m4_define([_AC_LANG_COMPILER_GNU],
                    [ac_compiler_gnu=yes],
                    [ac_compiler_gnu=no])
 ac_cv_[]_AC_LANG_ABBREV[]_compiler_gnu=$ac_compiler_gnu
+if test $ac_compiler_gnu = yes; then
+  echo "$as_me:__oline__:" \
+     "checking for GNU _AC_LANG compiler characterisitics" >&AS_MESSAGE_LOG_FD
+  ac_compiler=`set X $ac_compile; echo $[2]`
+  _AC_EVAL([$ac_compiler --version </dev/null >&AS_MESSAGE_LOG_FD])
+  _AC_EVAL([$ac_compiler -dumpspecs </dev/null >&AS_MESSAGE_LOG_FD])
+fi
 ])])# _AC_LANG_COMPILER_GNU
 
 

diff --git a/lib/autoconf/lang.m4 b/lib/autoconf/lang.m4
index 156c511c029d888c7c4b1012234e49fe8a86b218..5f6078f58f9a6346b0697a4e5d93d9185ac442b3 100644 (file)
--- a/lib/autoconf/lang.m4
+++ b/lib/autoconf/lang.m4
@@ -550,6 +550,13 @@ m4_define([_AC_LANG_COMPILER_GNU],
                    [ac_compiler_gnu=yes],
                    [ac_compiler_gnu=no])
 ac_cv_[]_AC_LANG_ABBREV[]_compiler_gnu=$ac_compiler_gnu
+if test $ac_compiler_gnu = yes; then
+  echo "$as_me:__oline__:" \
+     "checking for GNU _AC_LANG compiler characterisitics" >&AS_MESSAGE_LOG_FD
+  ac_compiler=`set X $ac_compile; echo $[2]`
+  _AC_EVAL([$ac_compiler --version </dev/null >&AS_MESSAGE_LOG_FD])
+  _AC_EVAL([$ac_compiler -dumpspecs </dev/null >&AS_MESSAGE_LOG_FD])
+fi
 ])])# _AC_LANG_COMPILER_GNU