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improve control over constant string class.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@30757 72102866-910b-0410-8b05-ffd578937521
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rfm 2010-06-16 07:58:04 +00:00
parent 9b8df83971
commit 634ca02b9b
3 changed files with 42 additions and 8 deletions
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17
configure.ac
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@ -1458,7 +1458,7 @@ fi
# Don't revert any Objective-C flags as they are used in the next test
#---------------------------------------------------------------------
# Guess if we are using a compiler which allows us to change the class
# See if we are using a compiler which allows us to change the class
# to be used for constant strings by using the -fconstant-string-class
# option. If that is the case, we change it to NSConstantString.
#---------------------------------------------------------------------
@ -1476,9 +1476,18 @@ if test $objc_compiler_supports_constant_string_class = yes; then
NX_CONST_STRING_CLASS=NSConstantString
AC_MSG_RESULT(yes)
else
NX_CONST_STRING_OBJCFLAGS=""
NX_CONST_STRING_CLASS=NXConstantString
AC_MSG_RESULT(no)
AC_ARG_ENABLE(nxconstantstring,
[ --enable-nxconstantstring
Enables the use of the NXConstantString class for old compilers.],,
enable_nxconstantstring=no)
if test $enable_nxconstantstring = yes; then
NX_CONST_STRING_OBJCFLAGS=""
NX_CONST_STRING_CLASS=NXConstantString
AC_MSG_WARN([You have enabled the use of NXConstantString as the string class in gnustep-base. The objective-c runtime library typically implements its own class of the same name, so you must either enforce a link order which ensures that the gnustep-base implementation is used, or (better) you must remove the class from the runtime library!])
else
AC_MSG_ERROR([Your compiler does not appear to implement the -fconstant-string-class option needed for support of strings. Please check for a more recent version or consider using --enable-nxconstantstring])
fi
fi
CPPFLAGS="$strclass_CPPFLAGS"
@ -1552,7 +1561,7 @@ if test "$nonfragile" = "yes"; then
GS_NONFRAGILE=1
AC_ARG_ENABLE(mixedabi,
[ --disable-mixedabi
Disables the cmbined use of fragile and nonfragile ABI so that base
Disables the combined use of fragile and nonfragile ABI so that base
can be built taking full advantage of the nonfragile ABI.],,
enable_mixedabi=yes)
if test $enable_mixedabi = yes; then