Mercurial > hg > octave-lojdl > gnulib-hg
changeset 6873:19d1a55a5de8
Avoid generating C code that some compilers don't accept.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Tue, 27 Jun 2006 15:47:13 +0000 |
| parents | ed4106144765 |
| children | 8a5ae1656eca |
| files | m4/ChangeLog m4/stdint.m4 |
| diffstat | 2 files changed, 19 insertions(+), 4 deletions(-) [+] |
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--- a/m4/ChangeLog +++ b/m4/ChangeLog @@ -1,3 +1,9 @@ +2006-06-27 Bruno Haible <bruno@clisp.org> + + * stdint.m4 (gl_STDINT_BITSIZEOF): For nonexistent types, set the + result to 0, not to empty. + Reported by Martin Neitzel <neitzel@sco.gaertner.de>. + 2006-06-26 Bruno Haible <bruno@clisp.org> * stdint.m4 (gl_STDINT_H): Test also for <wchar.h>.
--- a/m4/stdint.m4 +++ b/m4/stdint.m4 @@ -1,4 +1,4 @@ -# stdint.m4 serial 10 +# stdint.m4 serial 11 dnl Copyright (C) 2001-2002, 2004-2006 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -614,10 +614,19 @@ eval gl_cv_bitsizeof_${gltype}=\$result ]) eval result=\$gl_cv_bitsizeof_${gltype} - GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` - AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result]) - eval BITSIZEOF_${GLTYPE}=\$result + else + dnl Use a nonempty default, because some compilers, such as IRIX 5 cc, + dnl do a syntax check even on unused #if conditions and give an error + dnl on valid C code like this: + dnl #if 0 + dnl # if > 32 + dnl # endif + dnl #endif + result=0 fi + GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` + AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result]) + eval BITSIZEOF_${GLTYPE}=\$result done AC_FOREACH([gltype], [$1], [AC_SUBST([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])