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Fix build failure ('major' undefined) in glibc 2.28. (#746)

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glibc 2.28 no longer defines 'major' and 'minor' in <sys/types.h> and
requires us to include <sys/sysmacros.h>. (glibc 2.25 starts
deprecating the macros in <sys/types.h>.) Now do include the latter if
found on the system.

At the moment, let's also utilize AC_HEADER_MAJOR in configure script.
However as Autoconf 2.69 has not yet updated the AC_HEADER_MAJOR macro
to reflect the glibc change [1], so add a workaround code.

Fixes #663. Supersedes pull request #729.

Reference:
[1] https://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commit;h=e17a30e987d7ee695fb4294a82d987ec3dc9b974

Signed-off-by: Kang-Che Sung <explorer09@gmail.com>
This commit is contained in:
Kang-Che Sung (宋岡哲)
2018-02-26 21:15:05 +08:00
committed by Hisham Muhammad
parent eed18dd107
commit c01f40eb3e
3 changed files with 22 additions and 0 deletions
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10
configure.ac
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@ -61,6 +61,16 @@ AC_CHECK_HEADERS([stdlib.h string.h strings.h sys/param.h sys/time.h unistd.h],[
])
AC_CHECK_HEADERS([execinfo.h],[:],[:])
AC_HEADER_MAJOR
dnl glibc 2.25 deprecates 'major' and 'minor' in <sys/types.h> and requires to
dnl include <sys/sysmacros.h>. However the logic in AC_HEADER_MAJOR has not yet
dnl been updated in Autoconf 2.69, so use a workaround:
m4_version_prereq([2.70], [],
[if test $ac_cv_header_sys_mkdev_h = no; then
AC_CHECK_HEADER(sys/sysmacros.h, [AC_DEFINE(MAJOR_IN_SYSMACROS, 1,
[Define to 1 if `major', `minor', and `makedev' are declared in <sys/sysmacros.h>.])])
fi])
# Checks for typedefs, structures, and compiler characteristics.
# ----------------------------------------------------------------------
AC_HEADER_STDBOOL