Remove all unused program, header, and function checks to speed up the
configure script.
With some exceptions, the AC_PROG_*, AC_CHECK_HEADERS, and
AC_CHECK_FUNCS macros in configure.ac were not doing much. If a
program, header, or function was missing, the configure script
continued without error and no alternative behavior was selected
(e.g., enable a replacement function or disable an optional feature).
Rather than test every possible utility, header, or function that
might be used, a better approach is to:
* Assume the platform follows a standard or standards (e.g., C99,
POSIX Issue 7, 2013 edition).
* Where convenient, test to see if the platform at least appears to
conform to the standard(s) (e.g., AC_PROG_CC_C99).
* Don't bother testing for specific standard behavior unless the
software fails to build or function properly on a platform of
interest (due to lack of standard conformance).
* Add autoconf tests for any behavior not completely specified by
the standard(s) (e.g., MySQL).
---
configure.ac | 20 +-------------------
1 file changed, 1 insertion(+), 19 deletions(-)
diff --git a/configure.ac b/configure.ac
index 7dfcb67..01a561d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -52,13 +52,8 @@ AC_SUBST([MIN_PYTHON_VERSION])
AM_MAINTAINER_MODE
: ${CFLAGS=""}
# Checks for programs.
-#AC_PROG_CXX
AC_PROG_CC
-AM_PROG_CC_C_O
-#AC_PROG_AWK
-AC_PROG_MAKE_SET
AC_PROG_RANLIB
-#AC_PROG_LIBTOOL
AC_PROG_SED
AM_PATH_PYTHON([$MIN_PYTHON_VERSION])
AC_PROG_LN_S
@@ -244,7 +239,6 @@ AC_SEARCH_LIBS([v3_addr_validate_path], [crypto],[],[
# Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h memory.h my_global.h mysql.h
netdb.h netinet/in.h semaphore.h stdbool.h stdlib.h string.h strings.h
sys/file.h sys/ioctl.h sys/socket.h sys/time.h syslog.h termios.h unistd.h
wchar.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
@@ -258,19 +252,7 @@ AC_HEADER_TIME
AC_STRUCT_TM
# Checks for library functions.
-AC_FUNC_ERROR_AT_LINE
-AC_FUNC_FORK
-AC_FUNC_GETPGRP
-AC_PROG_GCC_TRADITIONAL
-#AC_FUNC_MALLOC
-AC_FUNC_MEMCMP
-AC_FUNC_MMAP
-#AC_FUNC_REALLOC
-AC_FUNC_SELECT_ARGTYPES
-AC_TYPE_SIGNAL
-AC_FUNC_STAT
-AC_FUNC_VPRINTF
-AC_CHECK_FUNCS([alarm bzero clock_gettime dup2 getcwd gethostbyaddr
gethostbyname gethostname getline getpass memmove memset mkdir munmap
mysql_real_connect select sem_timedwait socket strcasecmp strchr strdup
strerror strncasecmp strpbrk strrchr strstr strtol strtoul strtoull])
+AC_CHECK_FUNCS([clock_gettime getline sem_timedwait])
if test "$ac_cv_func_getline" != yes; then
AC_MSG_ERROR([The getline() function from POSIX 2008 is required.])
fi
--
2.4.5
------------------------------------------------------------------------------
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