quakeforge/config.d/library_functions.m4
Bill Currie 3bd75cefd8 Autoconfiscate log2f.
Android doesn't supply log2f for us (though it does have all the other
float calls ruamoko wants).
2012-02-05 14:23:33 +09:00

79 lines
2 KiB
Text

dnl ==================================================================
dnl Checks for library functions.
dnl ==================================================================
AC_FUNC_ALLOCA
AC_FUNC_MEMCMP
AC_FUNC_MMAP
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_FUNC_VA_COPY
AC_FUNC__VA_COPY
AC_CHECK_FUNCS(
access _access gethostname gethostbyname connect gettimeofday getwd \
mkdir _mkdir ftime _ftime fcntl stat putenv select socket strerror \
strcasestr strnlen strstr snprintf _snprintf vsnprintf _vsnprintf \
strsep dlopen getaddrinfo getnameinfo mprotect getpagesize
)
DL_LIBS=""
if test "x$ac_cv_func_dlopen" != "xyes"; then
AC_CHECK_LIB(dl, dlopen,
AC_DEFINE(HAVE_DLOPEN, 1, [Define if you have the dlopen function.]) DL_LIBS="-ldl"
)
fi
AC_SUBST(DL_LIBS)
dnl Checks for stricmp/strcasecmp
#AC_CHECK_FUNC(strcasecmp,
# ,
# AC_CHECK_FUNC(stricmp,
# AC_DEFINE(strcasecmp, stricmp)
# )
#)
AC_CHECK_FUNC(strcasecmp, strcasecmp=yes, strcasecmp=no)
if test "x$strcasecmp" = xno; then
AC_CHECK_FUNC(stricmp,
AC_DEFINE(strcasecmp, stricmp, [Define strcasecmp as stricmp if you have one but not the other]),
AC_MSG_ERROR([Neither stricmp nor strcasecmp found])
)
fi
dnl Check for vsnprintf
if test "x$ac_cv_func_vsnprintf" = "xno" -a \
"x$ac_cv_func__vsnprintf" = "xno"; then
dnl libdb may have this
AC_CHECK_LIB(db,vsnprintf)
fi
AC_CHECK_FUNCS(usleep)
AC_MSG_CHECKING(for fnmatch)
AC_TRY_LINK(
[],
[fnmatch();],
BUILD_FNMATCH=no
AC_MSG_RESULT(yes),
BUILD_FNMATCH=yes
AC_MSG_RESULT(no)
)
AM_CONDITIONAL(BUILD_FNMATCH, test "x$BUILD_FNMATCH" = "xyes")
AC_MSG_CHECKING(for getopt_long)
AC_TRY_LINK(
[],
[getopt_long();],
BUILD_GETOPT=no
AC_MSG_RESULT(yes),
BUILD_GETOPT=yes
AC_MSG_RESULT(no)
)
AM_CONDITIONAL(BUILD_GETOPT, test "x$BUILD_GETOPT" = "xyes")
AC_MSG_CHECKING(for log2f)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[#include <math.h>]], [float (*foo)(float) = log2f;])],
AC_DEFINE(HAVE_LOG2F, 1, [Define if you have log2f.])
[HAVE_LOG2F=yes],
[HAVE_LOG2F=no])
AC_MSG_RESULT($HAVE_LOG2F)