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Add support for detecting <mach-o/getsect.h> and the getsect() function.

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llvm-svn: 108737
This commit is contained in:
Owen Anderson 2010-07-19 19:24:37 +00:00
parent 0217b8e1d9
commit 6b9042dfd8
1 changed files with 19 additions and 0 deletions
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19
autoconf/configure.ac
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@ -1287,6 +1287,9 @@ fi
dnl Try to find Darwin specific crash reporting library.
AC_CHECK_HEADERS([CrashReporterClient.h])
dnl Try to find Darwin specific linker-section library.
AC_CHECK_HEADERS([mach-o/getsect.h])
dnl===-----------------------------------------------------------------------===
dnl===
dnl=== SECTION 7: Check for types and structures
@ -1362,6 +1365,22 @@ AC_LINK_IFELSE(
AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
dnl Check for Darwin-specific getsect().
AC_MSG_CHECKING(for getsect())
AC_COMPILE_IFELSE(
AC_LANG_SOURCE(
[[#include <mach-o/getsect.h>
int main() {
unsigned long p;
return (int)getsect("__DATA","´__pass_info", &p);
}
]]),
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETSECT, 1, Have Darwin getsect() support),
AC_MSG_RESULT(no)
AC_DEFINE(HAVE_GETSECT, 1, Have Darwin getsect() support)
)
dnl===-----------------------------------------------------------------------===
dnl===