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Problem: build broken on Fedora 30

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Solution: use AC_COMPILE_IFELSE instead of AC_CHECK_FUNCS to check for
strnlen, as the latter does not work anymore.
This commit is contained in:
Luca Boccassi 2019-05-04 15:05:09 +01:00
parent 8c8110a136
commit ca2e8b3b19
1 changed files with 15 additions and 1 deletions
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16
configure.ac
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@ -675,9 +675,23 @@ AC_LANG_POP([C++])
# Checks for library functions.
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(perror gettimeofday clock_gettime memset socket getifaddrs freeifaddrs fork mkdtemp accept4 strnlen)
AC_CHECK_FUNCS(perror gettimeofday clock_gettime memset socket getifaddrs freeifaddrs fork mkdtemp accept4)
AC_CHECK_HEADERS([alloca.h])
# string.h doesn't seem to be included by default in Fedora 30
AC_MSG_CHECKING([whether strnlen is available])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <string.h>]],
[[size_t bar = strnlen ("foo", 1); (void)bar; return 0;]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_STRNLEN, [1],
[strnlen is available])
],[
AC_MSG_RESULT([no])
])
# pthread_setname is non-posix, and there are at least 4 different implementations
AC_MSG_CHECKING([whether signature of pthread_setname_np() has 1 argument])
AC_COMPILE_IFELSE(