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AC_SUBST(OBJFW_BRIDGE_STATIC_LIB, "libobjfw-bridge.a")
])
])
])
dnl This needs to be after all other header checks, as they include unistd.h,
dnl which in old glibc versions uses __block. This is worked around in the code
dnl by undefining __USE_XOPEN.
AC_MSG_CHECKING(whether Objective C compiler supports blocks)
old_OBJCFLAGS="$OBJCFLAGS"
OBJCFLAGS="$OBJCFLAGS -fblocks"
AC_TRY_COMPILE([], [
int (^foo)(int bar);
foo = ^ (int bar) { return 0; }
], [
|
|
|
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AC_SUBST(OBJFW_BRIDGE_STATIC_LIB, "libobjfw-bridge.a")
])
])
])
dnl This needs to be after all other header checks, as they include unistd.h,
dnl which in old glibc versions uses __block. This is worked around in the code
dnl by providing a wrapper for unistd.h which takes care of this.
AC_MSG_CHECKING(whether Objective C compiler supports blocks)
old_OBJCFLAGS="$OBJCFLAGS"
OBJCFLAGS="$OBJCFLAGS -fblocks"
AC_TRY_COMPILE([], [
int (^foo)(int bar);
foo = ^ (int bar) { return 0; }
], [
|