[patch #9442] Add flang (LLVM-based compiler) support

[INVALID.NOREPLY]

Follow-up Comment #3, patch#9442 (group libtool):

Seems this patch does not fully address the problem.

+ libtool --version
 libtool (GNU libtool) 2.4.7.65-e11f

For example, building hdf5 with the ARM compiler, with an MPI compiler
wrapper
I still get this error:

flang: error: unknown argument: '-soname'

Looking at the libtool script produced by configure,
I still see empty wl= 

11810 # ### BEGIN LIBTOOL TAG CONFIG: FC
11811   
11812 # The linker used to build libraries.
11813
LD="/bm/ashterenli/install/arm-compiler-for-linux_23.10_AmazonLinux-2/gcc-12.2.0_AmazonLinux-2/aarch64-linux-gnu/bin/ld"
11814 
11815 # How to create reloadable object files.
11816 reload_flag=" -r"
11817 reload_cmds="\$LD\$reload_flag -o \$output\$reload_objs"
11818 
11819 # Commands used to build an old-style archive.
11820 old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs~\$RANLIB
\$tool_oldlib"
11821 
11822 # A language specific compiler.
11823 CC="ftn"
11824 
11825 # Is the compiler the GNU compiler?
11826 with_gcc=no
11827   
11828 # Compiler flag to turn off builtin functions.
11829 no_builtin_flag=""
11830   
11831 # Additional compiler flags for building library objects.
11832 pic_flag=""
11833   
11834 # How to pass a linker flag through the compiler.
11835 wl=""   


And I still have to fix the libtool script with:

sed -i -e 's/wl=""/wl="-Wl,"/g' libtool

which I got from: https://github.com/Unidata/netcdf-fortran/issues/309






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[PATCH] m4: update serial numbers in modified files

[Mike Frysinger]

These should have been included in the commits that updated these
files, but too late now to rewrite git history.

* m4/libtool.m4: Update serial number.
* m4/ltdl.m4, m4/ltoptions.m4: Likewise.
---
 m4/libtool.m4   | 2 +-
 m4/ltdl.m4  | 2 +-
 m4/ltoptions.m4 | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/m4/libtool.m4 b/m4/libtool.m4
index 20527f830aa1..d9725fdfd1cd 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -32,7 +32,7 @@ m4_define([_LT_COPYING], [dnl
 # along with this program.  If not, see .
 ])
 
-# serial 59 LT_INIT
+# serial 60 LT_INIT
 
 
 # LT_PREREQ(VERSION)
diff --git a/m4/ltdl.m4 b/m4/ltdl.m4
index 0c43799cdecc..548e3643196e 100644
--- a/m4/ltdl.m4
+++ b/m4/ltdl.m4
@@ -8,7 +8,7 @@
 # unlimited permission to copy and/or distribute it, with or without
 # modifications, as long as this notice is preserved.
 
-# serial 21 LTDL_INIT
+# serial 22 LTDL_INIT
 
 # LT_CONFIG_LTDL_DIR(DIRECTORY, [LTDL-MODE])
 # --
diff --git a/m4/ltoptions.m4 b/m4/ltoptions.m4
index e24ae1538b6b..6dfe99f1f200 100644
--- a/m4/ltoptions.m4
+++ b/m4/ltoptions.m4
@@ -8,7 +8,7 @@
 # unlimited permission to copy and/or distribute it, with or without
 # modifications, as long as this notice is preserved.
 
-# serial 8 ltoptions.m4
+# serial 9 ltoptions.m4
 
 # This is to help aclocal find these macros, as it can't see m4_define.
 AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
-- 
2.43.0