From fd512f5f94fb4a8c8c65c2709387202c327471f8 Mon Sep 17 00:00:00 2001 From: "jan.nijtmans" Date: Tue, 5 Jan 2021 08:06:28 +0000 Subject: Eliminate (obsolete) use of AC_TRY_LINK in */configure.in. Still generates the same */configure scripts with autoconf-2.59. --- tools/configure.in | 2 +- unix/configure.in | 58 +++++++++++++++++++++++++++--------------------------- win/configure.in | 43 +++++++++++++++++++--------------------- 3 files changed, 50 insertions(+), 53 deletions(-) diff --git a/tools/configure.in b/tools/configure.in index 0793b0a..86e1f62 100644 --- a/tools/configure.in +++ b/tools/configure.in @@ -3,7 +3,7 @@ dnl generate the file "configure", which is run to configure the dnl Makefile in this directory. AC_INIT AC_CONFIG_SRCDIR([man2tcl.c]) -AC_PREREQ(2.59) +AC_PREREQ([2.59]) # Recover information that Tcl computed with its configure script. diff --git a/unix/configure.in b/unix/configure.in index baaf799..8e9be93 100644 --- a/unix/configure.in +++ b/unix/configure.in @@ -4,7 +4,7 @@ dnl generate the file "configure", which is run during Tcl installation dnl to configure the system for the local environment. AC_INIT([tcl],[8.6]) -AC_PREREQ(2.59) +AC_PREREQ([2.59]) dnl This is only used when included from macosx/configure.ac m4_ifdef([SC_USE_CONFIG_HEADERS], [ @@ -112,7 +112,7 @@ if test -z "$no_pipe" && test -n "$GCC"; then AC_CACHE_CHECK([if the compiler understands -pipe], tcl_cv_cc_pipe, [ hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -pipe" - AC_TRY_COMPILE(,, tcl_cv_cc_pipe=yes, tcl_cv_cc_pipe=no) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[tcl_cv_cc_pipe=yes],[tcl_cv_cc_pipe=no]) CFLAGS=$hold_cflags]) if test $tcl_cv_cc_pipe = yes; then CFLAGS="$CFLAGS -pipe" @@ -285,8 +285,8 @@ AC_CHECK_HEADERS(sys/modem.h) #-------------------------------------------------------------------- AC_CACHE_CHECK([for fd_set in sys/types], tcl_cv_type_fd_set, [ - AC_TRY_COMPILE([#include ],[fd_set readMask, writeMask;], - tcl_cv_type_fd_set=yes, tcl_cv_type_fd_set=no)]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[fd_set readMask, writeMask;]])], + [tcl_cv_type_fd_set=yes],[tcl_cv_type_fd_set=no])]) tcl_ok=$tcl_cv_type_fd_set if test $tcl_ok = no; then AC_CACHE_CHECK([for fd_mask in sys/select], tcl_cv_grep_fd_mask, [ @@ -367,12 +367,12 @@ AC_TYPE_SIZE_T AC_TYPE_UID_T AC_CACHE_CHECK([for socklen_t], tcl_cv_type_socklen_t, [ - AC_TRY_COMPILE([ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include - ],[ + ]], [[ socklen_t foo; - ],[tcl_cv_type_socklen_t=yes],[tcl_cv_type_socklen_t=no])]) + ]])],[tcl_cv_type_socklen_t=yes],[tcl_cv_type_socklen_t=no])]) if test $tcl_cv_type_socklen_t = no; then AC_DEFINE(socklen_t, int, [Define as int if socklen_t is not available]) fi @@ -427,12 +427,12 @@ AC_CHECK_FUNC(opendir, , [AC_DEFINE(USE_DIRENT2_H, 1, [May we include -#include ], [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include +#include ]], [[ union wait x; WIFEXITED(x); /* Generates compiler error if WIFEXITED * uses an int. */ - ], tcl_cv_union_wait=yes, tcl_cv_union_wait=no)]) + ]])],[tcl_cv_union_wait=yes],[tcl_cv_union_wait=no])]) if test $tcl_cv_union_wait = no; then AC_DEFINE(NO_UNION_WAIT, 1, [Do we have a usable 'union wait'?]) fi @@ -482,10 +482,10 @@ fi AC_C_CHAR_UNSIGNED AC_CACHE_CHECK([signed char declarations], tcl_cv_char_signed, [ - AC_TRY_COMPILE(, [ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ signed char *p; p = 0; - ], tcl_cv_char_signed=yes, tcl_cv_char_signed=no)]) + ]])],[tcl_cv_char_signed=yes],[tcl_cv_char_signed=no])]) if test $tcl_cv_char_signed = yes; then AC_DEFINE(HAVE_SIGNED_CHAR, 1, [Are characters signed?]) fi @@ -495,7 +495,7 @@ fi #-------------------------------------------------------------------- AC_CACHE_CHECK([for a putenv() that copies the buffer], tcl_cv_putenv_copy, [ - AC_TRY_RUN([ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include #define OURVAR "havecopy=yes" @@ -514,10 +514,10 @@ AC_CACHE_CHECK([for a putenv() that copies the buffer], tcl_cv_putenv_copy, [ return 1; } } - ], - tcl_cv_putenv_copy=no, - tcl_cv_putenv_copy=yes, - tcl_cv_putenv_copy=no)]) + ]])], + [tcl_cv_putenv_copy=no], + [tcl_cv_putenv_copy=yes], + [tcl_cv_putenv_copy=no])]) if test $tcl_cv_putenv_copy = yes; then AC_DEFINE(HAVE_PUTENV_THAT_COPIES, 1, [Does putenv() copy strings or incorporate them by reference?]) @@ -540,9 +540,9 @@ AC_CHECK_FUNCS(chflags mkstemps) #-------------------------------------------------------------------- AC_CACHE_CHECK([isnan], tcl_cv_isnan, [ - AC_TRY_LINK([#include ], [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ isnan(0.0); /* Generates an error if isnan is missing */ -], tcl_cv_isnan=yes, tcl_cv_isnan=no)]) +]])],[tcl_cv_isnan=yes],[tcl_cv_isnan=no])]) if test $tcl_cv_isnan = no; then AC_DEFINE(NO_ISNAN, 1, [Do we have a usable 'isnan'?]) fi @@ -570,7 +570,7 @@ if test "`uname -s`" = "Darwin" ; then if test "$ac_cv_header_AvailabilityMacros_h" = yes; then AC_CACHE_CHECK([if weak import is available], tcl_cv_cc_weak_import, [ hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror" - AC_TRY_LINK([ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #ifdef __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1020 #error __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1020 @@ -579,8 +579,8 @@ if test "`uname -s`" = "Darwin" ; then #error MAC_OS_X_VERSION_MIN_REQUIRED < 1020 #endif int rand(void) __attribute__((weak_import)); - ], [rand();], - tcl_cv_cc_weak_import=yes, tcl_cv_cc_weak_import=no) + ]], [[rand();]])], + [tcl_cv_cc_weak_import=yes],[tcl_cv_cc_weak_import=no]) CFLAGS=$hold_cflags]) if test $tcl_cv_cc_weak_import = yes; then AC_DEFINE(HAVE_WEAK_IMPORT, 1, [Is weak import available?]) @@ -588,7 +588,7 @@ if test "`uname -s`" = "Darwin" ; then AC_CACHE_CHECK([if Darwin SUSv3 extensions are available], tcl_cv_cc_darwin_c_source, [ hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror" - AC_TRY_COMPILE([ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #ifdef __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1050 #error __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1050 @@ -598,7 +598,7 @@ if test "`uname -s`" = "Darwin" ; then #endif #define _DARWIN_C_SOURCE 1 #include - ],,tcl_cv_cc_darwin_c_source=yes, tcl_cv_cc_darwin_c_source=no) + ]], [[]])],[tcl_cv_cc_darwin_c_source=yes],[tcl_cv_cc_darwin_c_source=no]) CFLAGS=$hold_cflags]) if test $tcl_cv_cc_darwin_c_source = yes; then AC_DEFINE(_DARWIN_C_SOURCE, 1, @@ -618,15 +618,15 @@ fi #-------------------------------------------------------------------- AC_CACHE_CHECK([for fts], tcl_cv_api_fts, [ - AC_TRY_LINK([ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include #include - ], [ + ]], [[ char*const p[2] = {"/", NULL}; FTS *f = fts_open(p, FTS_PHYSICAL|FTS_NOCHDIR|FTS_NOSTAT, NULL); FTSENT *e = fts_read(f); fts_close(f); - ], tcl_cv_api_fts=yes, tcl_cv_api_fts=no)]) + ]])],[tcl_cv_api_fts=yes],[tcl_cv_api_fts=no])]) if test $tcl_cv_api_fts = yes; then AC_DEFINE(HAVE_FTS, 1, [Do we have fts functions?]) fi @@ -744,7 +744,7 @@ AC_MSG_RESULT([$tcl_ok]) #-------------------------------------------------------------------- AC_CACHE_CHECK([whether the cpuid instruction is usable], tcl_cv_cpuid, [ - AC_TRY_LINK(, [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ int index,regsPtr[4]; __asm__ __volatile__("mov %%ebx, %%edi \n\t" "cpuid \n\t" @@ -752,7 +752,7 @@ AC_CACHE_CHECK([whether the cpuid instruction is usable], tcl_cv_cpuid, [ "mov %%edi, %%ebx \n\t" : "=a"(regsPtr[0]), "=S"(regsPtr[1]), "=c"(regsPtr[2]), "=d"(regsPtr[3]) : "a"(index) : "edi"); - ], tcl_cv_cpuid=yes, tcl_cv_cpuid=no)]) + ]])],[tcl_cv_cpuid=yes],[tcl_cv_cpuid=no])]) if test $tcl_cv_cpuid = yes; then AC_DEFINE(HAVE_CPUID, 1, [Is the cpuid instruction usable?]) fi diff --git a/win/configure.in b/win/configure.in index 79056b4..da54512 100644 --- a/win/configure.in +++ b/win/configure.in @@ -60,7 +60,15 @@ fi AC_PROG_CC AC_C_INLINE -AC_HEADER_STDC +m4_warn([obsolete], +[The preprocessor macro `STDC_HEADERS' is obsolete. + Except in unusual embedded environments, you can safely include all + ISO C90 headers unconditionally.])dnl +# Autoupdate added the next two lines to ensure that your configure +# script's behavior did not change. They are probably safe to remove. +AC_CHECK_INCLUDES_DEFAULT +AC_PROG_EGREP + AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib) @@ -199,17 +207,14 @@ AC_CHECK_TYPE([uintptr_t], [ AC_CACHE_CHECK(for FINDEX_INFO_LEVELS in winbase.h, tcl_cv_findex_enums, -AC_TRY_COMPILE([ +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #define WIN32_LEAN_AND_MEAN #include #undef WIN32_LEAN_AND_MEAN -], -[ +]], [[ FINDEX_INFO_LEVELS i; FINDEX_SEARCH_OPS j; -], - tcl_cv_findex_enums=yes, - tcl_cv_findex_enums=no) +]])],[tcl_cv_findex_enums=yes],[tcl_cv_findex_enums=no]) ) if test "$tcl_cv_findex_enums" = "no"; then AC_DEFINE(HAVE_NO_FINDEX_ENUMS, 1, @@ -220,17 +225,14 @@ fi AC_CACHE_CHECK(for intrinsics support in compiler, tcl_cv_intrinsics, -AC_TRY_LINK([ +AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #define WIN32_LEAN_AND_MEAN #include #undef WIN32_LEAN_AND_MEAN #include -], -[ +]], [[ __cpuidex(0,0,0); -], - tcl_cv_intrinsics=yes, - tcl_cv_intrinsics=no) +]])],[tcl_cv_intrinsics=yes],[tcl_cv_intrinsics=no]) ) if test "$tcl_cv_intrinsics" = "yes"; then AC_DEFINE(HAVE_INTRIN_H, 1, @@ -241,11 +243,9 @@ fi AC_CACHE_CHECK(for wspiapi.h, tcl_cv_wspiapi_h, -AC_TRY_COMPILE([ +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include -], [], - tcl_cv_wspiapi_h=yes, - tcl_cv_wspiapi_h=no) +]], [[]])],[tcl_cv_wspiapi_h=yes],[tcl_cv_wspiapi_h=no]) ) if test "$tcl_cv_wspiapi_h" = "yes"; then AC_DEFINE(HAVE_WSPIAPI_H, 1, @@ -258,17 +258,14 @@ fi AC_CACHE_CHECK(for FINDEX_INFO_LEVELS in winbase.h, tcl_cv_findex_enums, -AC_TRY_COMPILE([ +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #define WIN32_LEAN_AND_MEAN #include #undef WIN32_LEAN_AND_MEAN -], -[ +]], [[ FINDEX_INFO_LEVELS i; FINDEX_SEARCH_OPS j; -], - tcl_cv_findex_enums=yes, - tcl_cv_findex_enums=no) +]])],[tcl_cv_findex_enums=yes],[tcl_cv_findex_enums=no]) ) if test "$tcl_cv_findex_enums" = "no"; then AC_DEFINE(HAVE_NO_FINDEX_ENUMS, 1, -- cgit v0.12 From cc3b85771e2a2752fb8b1f5fee2c7b3bd4bdd453 Mon Sep 17 00:00:00 2001 From: "jan.nijtmans" Date: Tue, 5 Jan 2021 08:15:01 +0000 Subject: Require at least autoconf-2.59 for tools/configure --- tools/configure.in | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/configure.in b/tools/configure.in index 542c1d3..d553cd1 100644 --- a/tools/configure.in +++ b/tools/configure.in @@ -1,8 +1,9 @@ dnl This file is an input file used by the GNU "autoconf" program to dnl generate the file "configure", which is run to configure the dnl Makefile in this directory. -AC_INIT(man2tcl.c) -AC_PREREQ(2.57) +AC_INIT +AC_CONFIG_SRCDIR([man2tcl.c]) +AC_PREREQ([2.59]) # Recover information that Tcl computed with its configure script. -- cgit v0.12