diff --git a/acinclude.m4 b/acinclude.m4 index 2f11412a..9ef93a89 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -45,16 +45,16 @@ else # Unlike /dev/zero, the MAP_ANON(YMOUS) defines can be probed for. AC_CACHE_CHECK([for MAP_ANON(YMOUS)], ac_cv_decl_map_anon, - [AC_TRY_COMPILE( -[#include + [AC_COMPILE_IFELSE( +[AC_LANG_PROGRAM([[#include #include #include #ifndef MAP_ANONYMOUS #define MAP_ANONYMOUS MAP_ANON #endif -], -[int n = MAP_ANONYMOUS;], +]], +[[int n = MAP_ANONYMOUS;]])], ac_cv_decl_map_anon=yes, ac_cv_decl_map_anon=no)]) @@ -104,7 +104,7 @@ dnl See docs/html/17_intro/configury.html#enable for documentation. dnl m4_define([LIBFFI_ENABLE],[dnl m4_define([_g_switch],[--enable-$1])dnl -m4_define([_g_help],[AC_HELP_STRING(_g_switch$3,[$4 @<:@default=$2@:>@])])dnl +m4_define([_g_help],[AS_HELP_STRING([_g_switch$3],[$4 @<:@default=$2@:>@])])dnl AC_ARG_ENABLE($1,_g_help, m4_bmatch([$5], [^permit ], @@ -152,7 +152,7 @@ AC_DEFUN([LIBFFI_CHECK_LINKER_FEATURES], [ # by now (in libtool), but require it now just to be safe... test -z "$SECTION_LDFLAGS" && SECTION_LDFLAGS='' test -z "$OPT_LDFLAGS" && OPT_LDFLAGS='' - AC_REQUIRE([AC_PROG_LD]) + AC_REQUIRE([LT_PATH_LD]) AC_REQUIRE([AC_PROG_AWK]) # The name set by libtool depends on the version of libtool. Shame on us @@ -205,14 +205,14 @@ AC_DEFUN([LIBFFI_CHECK_LINKER_FEATURES], [ # .eh_frame and now some of the glibc sections for iconv). # Bzzzzt. Thanks for playing, maybe next time. AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections]) - AC_TRY_RUN([ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ int main(void) { try { throw 1; } catch (...) { }; return 0; } - ], [ac_sectionLDflags=yes],[ac_sectionLDflags=no], [ac_sectionLDflags=yes]) + ]])],[ac_sectionLDflags=yes],[ac_sectionLDflags=no],[ac_sectionLDflags=yes]) if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else @@ -299,7 +299,7 @@ if test $enable_symvers != no; then AC_MSG_CHECKING([for shared libgcc]) ac_save_CFLAGS="$CFLAGS" CFLAGS=' -lgcc_s' - AC_TRY_LINK(, [return 0;], libat_shared_libgcc=yes, libat_shared_libgcc=no) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[return 0;]])],[libat_shared_libgcc=yes],[libat_shared_libgcc=no]) CFLAGS="$ac_save_CFLAGS" if test $libat_shared_libgcc = no; then cat > conftest.c < # Copyright (c) 2010 Rhys Ulerich +# Copyright (c) 2018 John Zaitseff # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the @@ -58,65 +79,80 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 16 +#serial 25 -AC_DEFUN([AX_FLAGS_WARN_ALL],[dnl -AS_VAR_PUSHDEF([FLAGS],[_AC_LANG_PREFIX[]FLAGS])dnl -AS_VAR_PUSHDEF([VAR],[ac_cv_[]_AC_LANG_ABBREV[]flags_warn_all])dnl -AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for maximum warnings], -VAR,[VAR="no, unknown" -ac_save_[]FLAGS="$[]FLAGS" -for ac_arg dnl -in "-warn all % -warn all" dnl Intel - "-pedantic % -Wall" dnl GCC - "-xstrconst % -v" dnl Solaris C - "-std1 % -verbose -w0 -warnprotos" dnl Digital Unix - "-qlanglvl=ansi % -qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd" dnl AIX - "-ansi -ansiE % -fullwarn" dnl IRIX - "+ESlit % +w1" dnl HP-UX C - "-Xc % -pvctl[,]fullmsg" dnl NEC SX-5 (Super-UX 10) - "-h conform % -h msglevel 2" dnl Cray C (Unicos) - # -do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'` - AC_COMPILE_IFELSE([AC_LANG_PROGRAM], - [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break]) -done -FLAGS="$ac_save_[]FLAGS" -]) -AS_VAR_POPDEF([FLAGS])dnl -AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) -case ".$VAR" in - .ok|.ok,*) m4_ifvaln($3,$3) ;; - .|.no|.no,*) m4_default($4,[m4_ifval($2,[AX_APPEND_FLAG([$2], [$1])])]) ;; - *) m4_default($3,[AX_APPEND_FLAG([$VAR], [$1])]) ;; -esac -AS_VAR_POPDEF([VAR])dnl +AC_DEFUN([AX_FLAGS_WARN_ALL], [ + AX_REQUIRE_DEFINED([AX_PREPEND_FLAG])dnl + AC_REQUIRE([AX_COMPILER_VENDOR])dnl + + AS_VAR_PUSHDEF([FLAGS], [m4_default($1,_AC_LANG_PREFIX[]FLAGS)])dnl + AS_VAR_PUSHDEF([VAR], [ac_cv_[]_AC_LANG_ABBREV[]flags_warn_all])dnl + AS_VAR_PUSHDEF([FOUND], [ac_save_[]_AC_LANG_ABBREV[]flags_warn_all_found])dnl + + AC_CACHE_CHECK([FLAGS for most reasonable warnings], VAR, [ + VAR="" + FOUND="yes" + dnl Cases are listed in the order found in ax_compiler_vendor.m4 + AS_CASE("$ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor", + [intel], [VAR="-w2"], + [ibm], [VAR="-qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd"], + [pathscale], [], + [clang], [VAR="-Wall"], + [cray], [VAR="-h msglevel 2"], + [fujitsu], [], + [sdcc], [], + [sx], [VAR="-pvctl[,]fullmsg"], + [portland], [], + [gnu], [VAR="-Wall"], + [sun], [VAR="-v"], + [hp], [VAR="+w1"], + [dec], [VAR="-verbose -w0 -warnprotos"], + [borland], [], + [comeau], [], + [kai], [], + [lcc], [], + [sgi], [VAR="-fullwarn"], + [microsoft], [], + [metrowerks], [], + [watcom], [], + [tcc], [], + [unknown], [ + VAR="$2" + FOUND="no" + ], + [ + AC_MSG_WARN([Unknown compiler vendor returned by [AX_COMPILER_VENDOR]]) + VAR="$2" + FOUND="no" + ] + ) + + AS_IF([test "x$FOUND" = "xyes"], [dnl + m4_default($3, [AS_IF([test "x$VAR" != "x"], [AX_PREPEND_FLAG([$VAR], [FLAGS])])]) + ], [dnl + m4_default($4, [m4_ifval($2, [AX_PREPEND_FLAG([$VAR], [FLAGS])], [true])]) + ])dnl + ])dnl + + AS_VAR_POPDEF([FOUND])dnl + AS_VAR_POPDEF([VAR])dnl + AS_VAR_POPDEF([FLAGS])dnl ])dnl AX_FLAGS_WARN_ALL -dnl implementation tactics: -dnl the for-argument contains a list of options. The first part of -dnl these does only exist to detect the compiler - usually it is -dnl a global option to enable -ansi or -extrawarnings. All other -dnl compilers will fail about it. That was needed since a lot of -dnl compilers will give false positives for some option-syntax -dnl like -Woption or -Xoption as they think of it is a pass-through -dnl to later compile stages or something. The "%" is used as a -dnl delimiter. A non-option comment can be given after "%%" marks -dnl which will be shown but not added to the respective C/CXXFLAGS. -AC_DEFUN([AX_CFLAGS_WARN_ALL],[dnl -AC_LANG_PUSH([C]) -AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4]) -AC_LANG_POP([C]) -]) +AC_DEFUN([AX_CFLAGS_WARN_ALL], [dnl + AC_LANG_PUSH([C]) + AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4]) + AC_LANG_POP([C]) +])dnl -AC_DEFUN([AX_CXXFLAGS_WARN_ALL],[dnl -AC_LANG_PUSH([C++]) -AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4]) -AC_LANG_POP([C++]) -]) +AC_DEFUN([AX_CXXFLAGS_WARN_ALL], [dnl + AC_LANG_PUSH([C++]) + AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4]) + AC_LANG_POP([C++]) +])dnl -AC_DEFUN([AX_FCFLAGS_WARN_ALL],[dnl -AC_LANG_PUSH([Fortran]) -AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4]) -AC_LANG_POP([Fortran]) -]) +AC_DEFUN([AX_FCFLAGS_WARN_ALL], [dnl + AC_LANG_PUSH([Fortran]) + AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4]) + AC_LANG_POP([Fortran]) +])dnl diff --git a/m4/ax_compiler_vendor.m4 b/m4/ax_compiler_vendor.m4 index 73efdb00..039f99d2 100644 --- a/m4/ax_compiler_vendor.m4 +++ b/m4/ax_compiler_vendor.m4 @@ -8,15 +8,30 @@ # # DESCRIPTION # -# Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun, -# hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft, -# watcom, etc. The vendor is returned in the cache variable -# $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++. +# Determine the vendor of the C, C++ or Fortran compiler. The vendor is +# returned in the cache variable $ax_cv_c_compiler_vendor for C, +# $ax_cv_cxx_compiler_vendor for C++ or $ax_cv_fc_compiler_vendor for +# (modern) Fortran. The value is one of "intel", "ibm", "pathscale", +# "clang" (LLVM), "cray", "fujitsu", "sdcc", "sx", "nvhpc" (NVIDIA HPC +# Compiler), "portland" (PGI), "gnu" (GCC), "sun" (Oracle Developer +# Studio), "hp", "dec", "borland", "comeau", "kai", "lcc", "sgi", +# "microsoft", "metrowerks", "watcom", "tcc" (Tiny CC) or "unknown" (if +# the compiler cannot be determined). +# +# To check for a Fortran compiler, you must first call AC_FC_PP_SRCEXT +# with an appropriate preprocessor-enabled extension. For example: +# +# AC_LANG_PUSH([Fortran]) +# AC_PROG_FC +# AC_FC_PP_SRCEXT([F]) +# AX_COMPILER_VENDOR +# AC_LANG_POP([Fortran]) # # LICENSE # # Copyright (c) 2008 Steven G. Johnson # Copyright (c) 2008 Matteo Frigo +# Copyright (c) 2018-19 John Zaitseff # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the @@ -44,45 +59,61 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 17 +#serial 32 -AC_DEFUN([AX_COMPILER_VENDOR], -[AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, - dnl Please add if possible support to ax_compiler_version.m4 - [# note: don't check for gcc first since some other compilers define __GNUC__ - vendors="intel: __ICC,__ECC,__INTEL_COMPILER - ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__ - pathscale: __PATHCC__,__PATHSCALE__ - clang: __clang__ - cray: _CRAYC - fujitsu: __FUJITSU - sdcc: SDCC, __SDCC - gnu: __GNUC__ - sun: __SUNPRO_C,__SUNPRO_CC - hp: __HP_cc,__HP_aCC - dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER - borland: __BORLANDC__,__CODEGEARC__,__TURBOC__ - comeau: __COMO__ - kai: __KCC - lcc: __LCC__ - sgi: __sgi,sgi - microsoft: _MSC_VER - metrowerks: __MWERKS__ - watcom: __WATCOMC__ - portland: __PGI - tcc: __TINYC__ - unknown: UNKNOWN" - for ventest in $vendors; do - case $ventest in - *:) vendor=$ventest; continue ;; - *) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;; - esac - AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ - #if !($vencpp) - thisisanerror; - #endif - ])], [break]) - done - ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` - ]) -]) +AC_DEFUN([AX_COMPILER_VENDOR], [dnl + AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, [dnl + dnl If you modify this list of vendors, please add similar support + dnl to ax_compiler_version.m4 if at all possible. + dnl + dnl Note: Do NOT check for GCC first since some other compilers + dnl define __GNUC__ to remain compatible with it. Compilers that + dnl are very slow to start (such as Intel) are listed first. + + vendors=" + intel: __ICC,__ECC,__INTEL_COMPILER + ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__,__ibmxl__ + pathscale: __PATHCC__,__PATHSCALE__ + clang: __clang__ + cray: _CRAYC + fujitsu: __FUJITSU + sdcc: SDCC,__SDCC + sx: _SX + nvhpc: __NVCOMPILER + portland: __PGI + gnu: __GNUC__ + sun: __SUNPRO_C,__SUNPRO_CC,__SUNPRO_F90,__SUNPRO_F95 + hp: __HP_cc,__HP_aCC + dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER + borland: __BORLANDC__,__CODEGEARC__,__TURBOC__ + comeau: __COMO__ + kai: __KCC + lcc: __LCC__ + sgi: __sgi,sgi + microsoft: _MSC_VER + metrowerks: __MWERKS__ + watcom: __WATCOMC__ + tcc: __TINYC__ + unknown: UNKNOWN + " + for ventest in $vendors; do + case $ventest in + *:) + vendor=$ventest + continue + ;; + *) + vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" + ;; + esac + + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[ +#if !($vencpp) + thisisanerror; +#endif + ]])], [break]) + done + + ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` + ]) +])dnl