diff options
Diffstat (limited to 'acinclude.m4')
-rw-r--r-- | acinclude.m4 | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/acinclude.m4 b/acinclude.m4 deleted file mode 100644 index dfa1a6260..000000000 --- a/acinclude.m4 +++ /dev/null @@ -1,143 +0,0 @@ -dnl On the NeXT, #including <utime.h> doesn't give you a definition for -dnl struct utime, unless you #define _POSIX_SOURCE. - -AC_DEFUN(GUILE_STRUCT_UTIMBUF, [ - AC_CACHE_CHECK([whether we need POSIX to get struct utimbuf], - guile_cv_struct_utimbuf_needs_posix, - [AC_TRY_CPP([ -#ifdef __EMX__ -#include <sys/utime.h> -#else -#include <utime.h> -#endif -struct utime blah; -], - guile_cv_struct_utimbuf_needs_posix=no, - guile_cv_struct_utimbuf_needs_posix=yes)]) - if test "$guile_cv_struct_utimbuf_needs_posix" = yes; then - AC_DEFINE(UTIMBUF_NEEDS_POSIX) - fi]) - - - - -dnl -dnl Apparently, at CMU they have a weird version of libc.h that is -dnl installed in /usr/local/include and conflicts with unistd.h. -dnl In these situations, we should not #include libc.h. -dnl This test arranges to #define LIBC_H_WITH_UNISTD_H iff libc.h is -dnl present on the system, and is safe to #include. -dnl -AC_DEFUN([GUILE_HEADER_LIBC_WITH_UNISTD], - [ - AC_CHECK_HEADERS(libc.h unistd.h) - AC_CACHE_CHECK( - "whether libc.h and unistd.h can be included together", - guile_cv_header_libc_with_unistd, - [ - if test "$ac_cv_header_libc_h" = "no"; then - guile_cv_header_libc_with_unistd="no" - elif test "$ac_cv_header_unistd.h" = "no"; then - guile_cv_header_libc_with_unistd="yes" - else - AC_TRY_COMPILE( - [ -# include <libc.h> -# include <unistd.h> - ], - [], - [guile_cv_header_libc_with_unistd=yes], - [guile_cv_header_libc_with_unistd=no] - ) - fi - ] - ) - if test "$guile_cv_header_libc_with_unistd" = yes; then - AC_DEFINE(LIBC_H_WITH_UNISTD_H) - fi - ] -) - - - -dnl This is needed when we want to check for the same function repeatedly -dnl with other parameters, such as libraries, varying. -dnl -dnl GUILE_NAMED_CHECK_FUNC(FUNCTION, TESTNAME, -dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) -AC_DEFUN(GUILE_NAMED_CHECK_FUNC, -[AC_MSG_CHECKING([for $1]) -AC_CACHE_VAL(ac_cv_func_$1_$2, -[AC_TRY_LINK( -dnl Don't include <ctype.h> because on OSF/1 3.0 it includes <sys/types.h> -dnl which includes <sys/select.h> which contains a prototype for -dnl select. Similarly for bzero. -[/* System header to define __stub macros and hopefully few prototypes, - which can conflict with char $1(); below. */ -#include <assert.h> -/* Override any gcc2 internal prototype to avoid an error. */ -]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus -extern "C" -#endif -])dnl -[/* We use char because int might match the return type of a gcc2 - builtin and then its argument prototype would still apply. */ -char $1(); -], [ -/* The GNU C library defines this for functions which it implements - to always fail with ENOSYS. Some functions are actually named - something starting with __ and the normal name is an alias. */ -#if defined (__stub_$1) || defined (__stub___$1) -choke me -#else -$1(); -#endif -], eval "ac_cv_func_$1_$2=yes", eval "ac_cv_func_$1_$2=no")]) -if eval "test \"`echo '$ac_cv_func_'$1'_'$2`\" = yes"; then - AC_MSG_RESULT(yes) - ifelse([$3], , :, [$3]) -else - AC_MSG_RESULT(no) -ifelse([$4], , , [$4 -])dnl -fi -]) - - - -dnl Check checks whether dlsym (if present) requires a leading underscore. -dnl Written by Dan Hagerty <hag@ai.mit.edu> for scsh-0.5.0. -AC_DEFUN(GUILE_DLSYM_USCORE, [ - AC_MSG_CHECKING(for underscore before symbols) - AC_CACHE_VAL(guile_cv_uscore,[ - echo "main(){int i=1;} - fnord(){int i=23; int ltuae=42;}" > conftest.c - ${CC} conftest.c > /dev/null - if (nm a.out | grep _fnord) > /dev/null; then - guile_cv_uscore=yes - else - guile_cv_uscore=no - fi]) - AC_MSG_RESULT($guile_cv_uscore) - rm -f conftest.c a.out - - if test $guile_cv_uscore = yes; then - AC_DEFINE(USCORE) - - if test $ac_cv_func_dlopen = yes -o $ac_cv_lib_dl_dlopen = yes ; then - AC_MSG_CHECKING(whether dlsym always adds an underscore for us) - AC_CACHE_VAL(guile_cv_dlsym_adds_uscore,AC_TRY_RUN( [ -#include <dlfcn.h> -#include <stdio.h> -fnord() { int i=42;} -main() { void *self, *ptr1, *ptr2; self=dlopen(NULL,RTLD_LAZY); - if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); - if(ptr1 && !ptr2) exit(0); } exit(1); } -], [guile_cv_dlsym_adds_uscore=yes - AC_DEFINE(DLSYM_ADDS_USCORE) ], guile_cv_dlsym_adds_uscore=no, - guile_cv_dlsym_adds_uscore=no)) - - AC_MSG_RESULT($guile_cv_dlsym_adds_uscore) - fi - fi -]) |