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changed to use AX_CHECK_NUMVALOF to find the value of PATH_MAX

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hyung-hwan
2018-01-17 06:06:11 +00:00
parent 8ce346e1ed
commit db55393050
3 changed files with 43 additions and 50 deletions
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24
qse/configure.ac
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@ -380,25 +380,6 @@ AC_TRY_LINK(
[AC_MSG_RESULT(no)]
)
dnl check the defined value of PATH_MAX in limits.h.
dnl look for a numeric value of 2 or more digits after preprocessing.
AC_MSG_CHECKING([for PATH_MAX])
AC_LANG_CONFTEST([
AC_LANG_PROGRAM(
[#include <limits.h>],
[;;;;;;;;;;
PATH_MAX])
])
qse_cv_path_max="`$ac_cv_prog_CPP conftest.c | awk '/;;;;;;;;;;/ { start=1 } /^(0|1|2|3|4|5|6|7|8|9)(0|1|2|3|4|5|6|7|8|9)*/ { if (start == 1) { print $0; start++; } }'`"
if test "x${qse_cv_path_max}" = "x"
then
dnl either not defined or defined to a non-numeric value
AC_MSG_RESULT(not defined)
else
AC_MSG_RESULT(${qse_cv_path_max})
AC_DEFINE_UNQUOTED(QSE_PATH_MAX, ${qse_cv_path_max}, [PATH_MAX])
fi
dnl check the size of primitive data types
AC_CHECK_SIZEOF(char,,[[]])
AC_CHECK_SIZEOF(short,,[[]])
@ -428,6 +409,7 @@ AC_CHECK_SIZEOF(off64_t)
AC_CHECK_SIZEOF(mbstate_t,,[#include <wchar.h>])
AX_CHECK_NUMVALOF(MB_LEN_MAX,[32],[#include <limits.h>])
AX_CHECK_NUMVALOF(PATH_MAX,[0],[#include <limits.h>])
if test "x${platform_win32}" = "xyes"
then
@ -641,6 +623,10 @@ AC_DEFINE_UNQUOTED(QSE_SIZEOF_OFF64_T, ${ac_cv_sizeof_off64_t}, [sizeof(off64_t)
AC_DEFINE_UNQUOTED(QSE_SIZEOF_MBSTATE_T, ${ac_cv_sizeof_mbstate_t}, [sizeof(mbstate_t)])
AC_DEFINE_UNQUOTED(QSE_MBLEN_MAX, ${ax_cv_numvalof_MB_LEN_MAX}, [MB_LEN_MAX])
if test ${ax_cv_numvalof_PATH_MAX} -gt 0
then
AC_DEFINE_UNQUOTED(QSE_PATH_MAX, ${ax_cv_numvalof_PATH_MAX}, [PATH_MAX])
fi
AC_DEFINE_UNQUOTED(QSE_SIZEOF_STRUCT_SOCKADDR_IN, ${ac_cv_sizeof_struct_sockaddr_in}, [sizeof(struct sockaddr_in)])
AC_DEFINE_UNQUOTED(QSE_SIZEOF_STRUCT_SOCKADDR_IN6, ${ac_cv_sizeof_struct_sockaddr_in6}, [sizeof(struct sockaddr_in6)])