With gcc 4.4 we get
Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
when running gcc with the -g flag. To work around this we unset
CFLAGS when running the test.
dnl *** check for GNU non-executable stack note support (ELF only)
dnl (.section .note.GNU-stack,"",@progbits)
dnl *** check for GNU non-executable stack note support (ELF only)
dnl (.section .note.GNU-stack,"",@progbits)
+dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
+dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
+dnl so we empty CFLAGS while running this test
+CFLAGS2="$CFLAGS"
+CFLAGS=
AC_MSG_CHECKING(for GNU non-executable stack support)
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
AC_MSG_CHECKING(for GNU non-executable stack support)
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
[Define to 1 if GNU non-executable stack notes are supported.])
],
[AC_MSG_RESULT(no)])
[Define to 1 if GNU non-executable stack notes are supported.])
],
[AC_MSG_RESULT(no)])
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)