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author | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2012-11-21 23:37:30 +0100 |
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committer | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2012-11-21 23:37:30 +0100 |
commit | a53aa1f9a32e47b465d5b6ef3e3f5ed6b918a1c5 (patch) | |
tree | 2f9f24ac951e6f939b5403af3eae079d6792a0c1 /gl/m4/inline.m4 | |
parent | 06fdce3411941982c5665d4152bac396bf648d5f (diff) | |
download | gnutls-a53aa1f9a32e47b465d5b6ef3e3f5ed6b918a1c5.tar.gz |
iconv() will include the UCS2->UTF8 convertion in systems that is not provided.
Diffstat (limited to 'gl/m4/inline.m4')
-rw-r--r-- | gl/m4/inline.m4 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gl/m4/inline.m4 b/gl/m4/inline.m4 new file mode 100644 index 0000000000..6fa997246c --- /dev/null +++ b/gl/m4/inline.m4 @@ -0,0 +1,40 @@ +# inline.m4 serial 4 +dnl Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Test for the 'inline' keyword or equivalent. +dnl Define 'inline' to a supported equivalent, or to nothing if not supported, +dnl like AC_C_INLINE does. Also, define HAVE_INLINE if 'inline' or an +dnl equivalent is effectively supported, i.e. if the compiler is likely to +dnl drop unused 'static inline' functions. +AC_DEFUN([gl_INLINE], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_CACHE_CHECK([whether the compiler generally respects inline], + [gl_cv_c_inline_effective], + [if test $ac_cv_c_inline = no; then + gl_cv_c_inline_effective=no + else + dnl GCC defines __NO_INLINE__ if not optimizing or if -fno-inline is + dnl specified. + dnl Use AC_COMPILE_IFELSE here, not AC_EGREP_CPP, because the result + dnl depends on optimization flags, which can be in CFLAGS. + dnl (AC_EGREP_CPP looks only at the CPPFLAGS.) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[]], + [[#ifdef __NO_INLINE__ + #error "inline is not effective" + #endif]])], + [gl_cv_c_inline_effective=yes], + [gl_cv_c_inline_effective=no]) + fi + ]) + if test $gl_cv_c_inline_effective = yes; then + AC_DEFINE([HAVE_INLINE], [1], + [Define to 1 if the compiler supports one of the keywords + 'inline', '__inline__', '__inline' and effectively inlines + functions marked as such.]) + fi +]) |