| 1 |
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| 2 | AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_START,
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| 3 | [
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| 4 | echo "LIBREPLACE_CC_CHECKS: START"
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| 5 | ])
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| 6 |
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| 7 | AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_END,
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| 8 | [
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| 9 | echo "LIBREPLACE_CC_CHECKS: END"
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| 10 | ])
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| 11 |
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| 12 | dnl
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| 13 | dnl
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| 14 | dnl AC_LIBREPLACE_CC_CHECKS
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| 15 | dnl
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| 16 | dnl Note: we need to use m4_define instead of AC_DEFUN because
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| 17 | dnl of the ordering of tests
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| 18 | dnl
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| 19 | dnl
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| 20 | m4_define(AC_LIBREPLACE_CC_CHECKS,
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| 21 | [
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| 22 | AC__LIBREPLACE_ONLY_CC_CHECKS_START
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| 23 |
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| 24 | dnl stop the C89 attempt by autoconf - if autoconf detects -Ae it will enable it
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| 25 | dnl which conflicts with C99 on HPUX
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| 26 | ac_cv_prog_cc_Ae=no
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| 27 |
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| 28 | savedCFLAGS=$CFLAGS
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| 29 | AC_PROG_CC
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| 30 | CFLAGS=$savedCFLAGS
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| 31 |
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| 32 | dnl don't try for C99 if we are using gcc, as otherwise we
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| 33 | dnl lose immediate structure constants
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| 34 | if test x"$GCC" != x"yes" ; then
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| 35 | AC_PROG_CC_C99
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| 36 | fi
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| 37 |
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| 38 | if test x"$GCC" = x"yes" ; then
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| 39 | AC_MSG_CHECKING([for version of gcc])
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| 40 | GCC_VERSION=`$CC -dumpversion`
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| 41 | AC_MSG_RESULT(${GCC_VERSION})
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| 42 | fi
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| 43 | AC_USE_SYSTEM_EXTENSIONS
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| 44 | AC_C_BIGENDIAN
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| 45 | AC_C_INLINE
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| 46 | LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_WARN([c99 structure initializer are not supported])])
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| 47 |
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| 48 | AC_PROG_INSTALL
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| 49 |
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| 50 | AC_ISC_POSIX
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| 51 | AC_EXTENSION_FLAG(_XOPEN_SOURCE_EXTENDED)
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| 52 | AC_EXTENSION_FLAG(_OSF_SOURCE)
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| 53 |
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| 54 | AC_SYS_LARGEFILE
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| 55 |
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| 56 | dnl Add #include for broken IRIX header files
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| 57 | case "$host_os" in
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| 58 | *irix6*) AC_ADD_INCLUDE(<standards.h>)
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| 59 | ;;
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| 60 | *hpux*)
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| 61 | # mmap on HPUX is completely broken...
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| 62 | AC_DEFINE(MMAP_BLACKLIST, 1, [Whether MMAP is broken])
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| 63 | if test "`uname -r`" = "B.11.11"; then
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| 64 | AC_MSG_WARN([Enabling HPUX 11.11 header bug workaround])
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| 65 | CFLAGS="$CFLAGS -D_LARGEFILE64_SUPPORT -D__LP64__ -DO_LARGEFILE=04000"
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