From 98424bb9699756d1eaf77f8a17b936f640c4083f Mon Sep 17 00:00:00 2001 From: Richard Kreckel Date: Fri, 5 Nov 2021 14:47:53 +0100 Subject: [PATCH] Update and clean up autoconf template files. This is needed for compatibility with newer autoconf: * Removed macro GINAC_STD_CXX_HEADERS (we use AX_CXX_COMPILE_STDCXX). * Updated m4/* files from upstream. * Ran autoupdate on acinclude.m4 and configure.ac. Tested successfully with autoconf 1.69 and 1.71. --- acinclude.m4 | 56 ++---------- configure.ac | 11 +-- m4/host-cpu-c-abi.m4 | 8 +- m4/lib-ld.m4 | 6 +- m4/lib-link.m4 | 169 +++++++++++++++++++++-------------- m4/lib-prefix.m4 | 206 +++++++++++++++++++++++++++++-------------- 6 files changed, 262 insertions(+), 194 deletions(-) diff --git a/acinclude.m4 b/acinclude.m4 index 53b45e5a..35cd3862 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -22,48 +22,6 @@ define(GINAC_GET_VERSION, define(GINAC_GET_LTVERSION, [GINAC_HEADER_GETVAL(GINAC_LT_$1,[ginac/version.h])]) -dnl Usage: GINAC_STD_CXX_HEADERS -dnl Check for standard C++ headers, bail out if something is missing. -AC_DEFUN([GINAC_STD_CXX_HEADERS], [ -AC_CACHE_CHECK([for standard C++ header files], [ginac_cv_std_cxx_headers], [ - ginac_cv_std_cxx_headers="no" - AC_LANG_PUSH([C++]) - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - #include - ]])], [ginac_cv_std_cxx_headers="yes"]) - AC_LANG_POP([C++])]) -if test "${ginac_cv_std_cxx_headers}" != "yes"; then - AC_MSG_ERROR([Standard ISO C++ headers are missing]) -fi -]) - dnl Usage: GINAC_LIBREADLINE dnl dnl Check if GNU readline library and headers are avialable. @@ -181,13 +139,13 @@ fi]) AC_DEFUN([GINAC_HAVE_RUSAGE], [AC_CACHE_CHECK([whether struct rusage is declared in ], ac_cv_have_rusage, - [AC_TRY_COMPILE([#include - #include ], - [struct rusage resUsage; - getrusage(RUSAGE_SELF, &resUsage); - return 0;], - [ac_cv_have_rusage=yes], - [ac_cv_have_rusage=no]) + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include + #include ]], + [[struct rusage resUsage; + getrusage(RUSAGE_SELF, &resUsage); + return 0;]])], + [ac_cv_have_rusage=yes], + [ac_cv_have_rusage=no]) ]) CONFIG_RUSAGE="no" if test "$ac_cv_have_rusage" = yes; then diff --git a/configure.ac b/configure.ac index 3529a65e..55021481 100644 --- a/configure.ac +++ b/configure.ac @@ -11,8 +11,8 @@ m4_define([ginac_lt_current], GINAC_GET_LTVERSION([CURRENT])) m4_define([ginac_lt_age], GINAC_GET_LTVERSION([AGE])) m4_define([ginac_lt_revision], GINAC_GET_LTVERSION([REVISION])) -AC_INIT([GiNaC], ginac_version, [ginac-list@ginac.de], [ginac], [https://www.ginac.de/]) -AC_PREREQ(2.59) +AC_INIT([GiNaC], [ginac_version], [ginac-list@ginac.de], [ginac], [https://www.ginac.de/]) +AC_PREREQ([2.59]) AC_CONFIG_SRCDIR(ginac/basic.cpp) AC_CONFIG_AUX_DIR([config]) AC_CONFIG_HEADERS([config/config.h]) @@ -28,8 +28,8 @@ dnl Check for the compiler and all the utilities needed for the build. AC_PROG_CXX AC_PROG_CXXCPP AC_PROG_INSTALL -AM_PROG_LIBTOOL -AC_PROG_LEX +LT_INIT +AC_PROG_LEX([yywrap]) AC_PROG_YACC AC_PATH_PROG(YACCEXE, $YACC, "") AS_IF([test "x$LEX" = "x:" -a ! -f $srcdir/ginsh/ginsh_lexer.cpp], @@ -41,9 +41,6 @@ dnl Switch to C++ language mode for the following libraries and headers. AC_LANG([C++]) AX_CXX_COMPILE_STDCXX([11]) -dnl Make sure all the necessary standard headers are installed on the system. -GINAC_STD_CXX_HEADERS - dnl We need to have CLN installed. PKG_CHECK_MODULES(CLN, cln >= 1.2.2) AC_LIB_LINKFLAGS_FROM_LIBS([CLN_RPATH], [$CLN_LIBS]) diff --git a/m4/host-cpu-c-abi.m4 b/m4/host-cpu-c-abi.m4 index 6db2aa25..64e28b1d 100644 --- a/m4/host-cpu-c-abi.m4 +++ b/m4/host-cpu-c-abi.m4 @@ -1,5 +1,5 @@ -# host-cpu-c-abi.m4 serial 13 -dnl Copyright (C) 2002-2020 Free Software Foundation, Inc. +# host-cpu-c-abi.m4 serial 14 +dnl Copyright (C) 2002-2021 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -211,7 +211,7 @@ changequote([,])dnl # be generating 64-bit code. AC_COMPILE_IFELSE( [AC_LANG_SOURCE( - [[#if defined __powerpc64__ || defined _ARCH_PPC64 + [[#if defined __powerpc64__ || defined __LP64__ int ok; #else error fail @@ -605,7 +605,7 @@ changequote([,])dnl # be generating 64-bit code. AC_COMPILE_IFELSE( [AC_LANG_SOURCE( - [[#if defined __powerpc64__ || defined _ARCH_PPC64 + [[#if defined __powerpc64__ || defined __LP64__ int ok; #else error fail diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4 index a1871963..076358d5 100644 --- a/m4/lib-ld.m4 +++ b/m4/lib-ld.m4 @@ -1,5 +1,5 @@ -# lib-ld.m4 serial 9 -dnl Copyright (C) 1996-2003, 2009-2019 Free Software Foundation, Inc. +# lib-ld.m4 serial 10 +dnl Copyright (C) 1996-2003, 2009-2021 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -122,7 +122,7 @@ else *-*-aix*) AC_COMPILE_IFELSE( [AC_LANG_SOURCE( - [[#if defined __powerpc64__ || defined _ARCH_PPC64 + [[#if defined __powerpc64__ || defined __LP64__ int ok; #else error fail diff --git a/m4/lib-link.m4 b/m4/lib-link.m4 index 0ff10731..787efab2 100644 --- a/m4/lib-link.m4 +++ b/m4/lib-link.m4 @@ -1,5 +1,5 @@ -# lib-link.m4 serial 28 -dnl Copyright (C) 2001-2019 Free Software Foundation, Inc. +# lib-link.m4 serial 32 +dnl Copyright (C) 2001-2021 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -192,6 +192,8 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], AC_LIB_WITH_FINAL_PREFIX([ eval additional_includedir=\"$includedir\" eval additional_libdir=\"$libdir\" + eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\" + eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\" ]) AC_ARG_WITH(PACK[-prefix], [[ --with-]]PACK[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib @@ -204,17 +206,23 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], AC_LIB_WITH_FINAL_PREFIX([ eval additional_includedir=\"$includedir\" eval additional_libdir=\"$libdir\" + eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\" + eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\" ]) else additional_includedir="$withval/include" additional_libdir="$withval/$acl_libdirstem" - if test "$acl_libdirstem2" != "$acl_libdirstem" \ - && test ! -d "$withval/$acl_libdirstem"; then - additional_libdir="$withval/$acl_libdirstem2" - fi + additional_libdir2="$withval/$acl_libdirstem2" + additional_libdir3="$withval/$acl_libdirstem3" fi fi ]) + if test "X$additional_libdir2" = "X$additional_libdir"; then + additional_libdir2= + fi + if test "X$additional_libdir3" = "X$additional_libdir"; then + additional_libdir3= + fi dnl Search the library and its dependencies in $additional_libdir and dnl $LDFLAGS. Using breadth-first-seach. LIB[]NAME= @@ -270,48 +278,54 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], shrext= fi if test $use_additional = yes; then - dir="$additional_libdir" - dnl The same code as in the loop below: - dnl First look for a shared library. - if test -n "$acl_shlibext"; then - if test -f "$dir/$libname$shrext"; then - found_dir="$dir" - found_so="$dir/$libname$shrext" - else - if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then - ver=`(cd "$dir" && \ - for f in "$libname$shrext".*; do echo "$f"; done \ - | sed -e "s,^$libname$shrext\\\\.,," \ - | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ - | sed 1q ) 2>/dev/null` - if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then - found_dir="$dir" - found_so="$dir/$libname$shrext.$ver" + for additional_libdir_variable in additional_libdir additional_libdir2 additional_libdir3; do + if test "X$found_dir" = "X"; then + eval dir=\$$additional_libdir_variable + if test -n "$dir"; then + dnl The same code as in the loop below: + dnl First look for a shared library. + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f" && acl_is_expected_elfclass < "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi fi - else - eval library_names=\"$acl_library_names_spec\" - for f in $library_names; do - if test -f "$dir/$f"; then + dnl Then look for a static library. + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then found_dir="$dir" - found_so="$dir/$f" - break + found_a="$dir/$libname.$acl_libext" fi - done + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi fi fi - fi - dnl Then look for a static library. - if test "X$found_dir" = "X"; then - if test -f "$dir/$libname.$acl_libext"; then - found_dir="$dir" - found_a="$dir/$libname.$acl_libext" - fi - fi - if test "X$found_dir" != "X"; then - if test -f "$dir/$libname.la"; then - found_la="$dir/$libname.la" - fi - fi + done fi if test "X$found_dir" = "X"; then for x in $LDFLAGS $LTLIB[]NAME; do @@ -321,7 +335,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], dir=`echo "X$x" | sed -e 's/^X-L//'` dnl First look for a shared library. if test -n "$acl_shlibext"; then - if test -f "$dir/$libname$shrext"; then + if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$dir/$libname$shrext"; then found_dir="$dir" found_so="$dir/$libname$shrext" else @@ -331,14 +345,14 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], | sed -e "s,^$libname$shrext\\\\.,," \ | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ | sed 1q ) 2>/dev/null` - if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < "$dir/$libname$shrext.$ver"; then found_dir="$dir" found_so="$dir/$libname$shrext.$ver" fi else eval library_names=\"$acl_library_names_spec\" for f in $library_names; do - if test -f "$dir/$f"; then + if test -f "$dir/$f" && acl_is_expected_elfclass < "$dir/$f"; then found_dir="$dir" found_so="$dir/$f" break @@ -349,7 +363,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], fi dnl Then look for a static library. if test "X$found_dir" = "X"; then - if test -f "$dir/$libname.$acl_libext"; then + if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then found_dir="$dir" found_a="$dir/$libname.$acl_libext" fi @@ -375,7 +389,8 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], dnl standard /usr/lib. if test "$enable_rpath" = no \ || test "X$found_dir" = "X/usr/$acl_libdirstem" \ - || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then + || test "X$found_dir" = "X/usr/$acl_libdirstem2" \ + || test "X$found_dir" = "X/usr/$acl_libdirstem3"; then dnl No hardcoding is needed. LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" else @@ -475,6 +490,13 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], fi additional_includedir="$basedir/include" ;; + */$acl_libdirstem3 | */$acl_libdirstem3/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem3/"'*$,,'` + if test "$name" = '$1'; then + LIB[]NAME[]_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; esac if test "X$additional_includedir" != "X"; then dnl Potentially add $additional_includedir to $INCNAME. @@ -525,19 +547,21 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], for dep in $dependency_libs; do case "$dep" in -L*) - additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` - dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. + dependency_libdir=`echo "X$dep" | sed -e 's/^X-L//'` + dnl Potentially add $dependency_libdir to $LIBNAME and $LTLIBNAME. dnl But don't add it dnl 1. if it's the standard /usr/lib, dnl 2. if it's /usr/local/lib and we are using GCC on Linux, dnl 3. if it's already present in $LDFLAGS or the already dnl constructed $LIBNAME, dnl 4. if it doesn't exist as a directory. - if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ - && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then + if test "X$dependency_libdir" != "X/usr/$acl_libdirstem" \ + && test "X$dependency_libdir" != "X/usr/$acl_libdirstem2" \ + && test "X$dependency_libdir" != "X/usr/$acl_libdirstem3"; then haveit= - if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ - || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then + if test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem" \ + || test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem2" \ + || test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem3"; then if test -n "$GCC"; then case $host_os in linux* | gnu* | k*bsd*-gnu) haveit=yes;; @@ -548,29 +572,29 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], haveit= for x in $LDFLAGS $LIB[]NAME; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-L$additional_libdir"; then + if test "X$x" = "X-L$dependency_libdir"; then haveit=yes break fi done if test -z "$haveit"; then - if test -d "$additional_libdir"; then - dnl Really add $additional_libdir to $LIBNAME. - LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" + if test -d "$dependency_libdir"; then + dnl Really add $dependency_libdir to $LIBNAME. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$dependency_libdir" fi fi haveit= for x in $LDFLAGS $LTLIB[]NAME; do AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) - if test "X$x" = "X-L$additional_libdir"; then + if test "X$x" = "X-L$dependency_libdir"; then haveit=yes break fi done if test -z "$haveit"; then - if test -d "$additional_libdir"; then - dnl Really add $additional_libdir to $LTLIBNAME. - LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" + if test -d "$dependency_libdir"; then + dnl Really add $dependency_libdir to $LTLIBNAME. + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$dependency_libdir" fi fi fi @@ -607,7 +631,20 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY], ;; -l*) dnl Handle this in the next round. - names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` + dnl But on GNU systems, ignore -lc options, because + dnl - linking with libc is the default anyway, + dnl - linking with libc.a may produce an error + dnl "/usr/bin/ld: dynamic STT_GNU_IFUNC symbol `strcmp' with pointer equality in `/usr/lib/libc.a(strcmp.o)' can not be used when making an executable; recompile with -fPIE and relink with -pie" + dnl or may produce an executable that always crashes, see + dnl . + dep=`echo "X$dep" | sed -e 's/^X-l//'` + if test "X$dep" != Xc \ + || case $host_os in + linux* | gnu* | k*bsd*-gnu) false ;; + *) true ;; + esac; then + names_next_round="$names_next_round $dep" + fi ;; *.la) dnl Handle this in the next round. Throw away the .la's @@ -718,7 +755,8 @@ AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], dir="$next" dnl No need to hardcode the standard /usr/lib. if test "X$dir" != "X/usr/$acl_libdirstem" \ - && test "X$dir" != "X/usr/$acl_libdirstem2"; then + && test "X$dir" != "X/usr/$acl_libdirstem2" \ + && test "X$dir" != "X/usr/$acl_libdirstem3"; then rpathdirs="$rpathdirs $dir" fi next= @@ -728,7 +766,8 @@ AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` dnl No need to hardcode the standard /usr/lib. if test "X$dir" != "X/usr/$acl_libdirstem" \ - && test "X$dir" != "X/usr/$acl_libdirstem2"; then + && test "X$dir" != "X/usr/$acl_libdirstem2" \ + && test "X$dir" != "X/usr/$acl_libdirstem3"; then rpathdirs="$rpathdirs $dir" fi next= ;; diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 index 8adb17bb..3c94db0a 100644 --- a/m4/lib-prefix.m4 +++ b/m4/lib-prefix.m4 @@ -1,5 +1,5 @@ -# lib-prefix.m4 serial 14 -dnl Copyright (C) 2001-2005, 2008-2019 Free Software Foundation, Inc. +# lib-prefix.m4 serial 19 +dnl Copyright (C) 2001-2005, 2008-2021 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -147,21 +147,24 @@ AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], ]) dnl AC_LIB_PREPARE_MULTILIB creates -dnl - a variable acl_libdirstem, containing the basename of the libdir, either -dnl "lib" or "lib64" or "lib/64", -dnl - a variable acl_libdirstem2, as a secondary possible value for -dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or -dnl "lib/amd64". +dnl - a function acl_is_expected_elfclass, that tests whether standard input +dn; has a 32-bit or 64-bit ELF header, depending on the host CPU ABI, +dnl - 3 variables acl_libdirstem, acl_libdirstem2, acl_libdirstem3, containing +dnl the basename of the libdir to try in turn, either "lib" or "lib64" or +dnl "lib/64" or "lib32" or "lib/sparcv9" or "lib/amd64" or similar. AC_DEFUN([AC_LIB_PREPARE_MULTILIB], [ - dnl There is no formal standard regarding lib and lib64. - dnl On glibc systems, the current practice is that on a system supporting + dnl There is no formal standard regarding lib, lib32, and lib64. + dnl On most glibc systems, the current practice is that on a system supporting dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under - dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine - dnl the compiler's default mode by looking at the compiler's library search - dnl path. If at least one of its elements ends in /lib64 or points to a - dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI. - dnl Otherwise we use the default, namely "lib". + dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. However, on + dnl Arch Linux based distributions, it's the opposite: 32-bit libraries go + dnl under $prefix/lib32 and 64-bit libraries go under $prefix/lib. + dnl We determine the compiler's default mode by looking at the compiler's + dnl library search path. If at least one of its elements ends in /lib64 or + dnl points to a directory whose absolute pathname ends in /lib64, we use that + dnl for 64-bit ABIs. Similarly for 32-bit ABIs. Otherwise we use the default, + dnl namely "lib". dnl On Solaris systems, the current practice is that on a system supporting dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or @@ -169,27 +172,75 @@ AC_DEFUN([AC_LIB_PREPARE_MULTILIB], AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([gl_HOST_CPU_C_ABI_32BIT]) - case "$host_os" in - solaris*) - AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit], - [AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#ifdef _LP64 - int ok; - #else - error fail - #endif - ]])], - [gl_cv_solaris_64bit=yes], - [gl_cv_solaris_64bit=no]) - ]);; - esac + AC_CACHE_CHECK([for ELF binary format], [gl_cv_elf], + [AC_EGREP_CPP([Extensible Linking Format], + [#ifdef __ELF__ + Extensible Linking Format + #endif + ], + [gl_cv_elf=yes], + [gl_cv_elf=no]) + ]) + if test $gl_cv_elf = yes; then + # Extract the ELF class of a file (5th byte) in decimal. + # Cf. https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header + if od -A x < /dev/null >/dev/null 2>/dev/null; then + # Use POSIX od. + func_elfclass () + { + od -A n -t d1 -j 4 -N 1 + } + else + # Use BSD hexdump. + func_elfclass () + { + dd bs=1 count=1 skip=4 2>/dev/null | hexdump -e '1/1 "%3d "' + echo + } + fi + # Use 'expr', not 'test', to compare the values of func_elfclass, because on + # Solaris 11 OpenIndiana and Solaris 11 OmniOS, the result is 001 or 002, + # not 1 or 2. +changequote(,)dnl + case $HOST_CPU_C_ABI_32BIT in + yes) + # 32-bit ABI. + acl_is_expected_elfclass () + { + expr "`func_elfclass | sed -e 's/[ ]//g'`" = 1 > /dev/null + } + ;; + no) + # 64-bit ABI. + acl_is_expected_elfclass () + { + expr "`func_elfclass | sed -e 's/[ ]//g'`" = 2 > /dev/null + } + ;; + *) + # Unknown. + acl_is_expected_elfclass () + { + : + } + ;; + esac +changequote([,])dnl + else + acl_is_expected_elfclass () + { + : + } + fi dnl Allow the user to override the result by setting acl_cv_libdirstems. AC_CACHE_CHECK([for the common suffixes of directories in the library search path], [acl_cv_libdirstems], - [acl_libdirstem=lib + [dnl Try 'lib' first, because that's the default for libdir in GNU, see + dnl . + acl_libdirstem=lib acl_libdirstem2= + acl_libdirstem3= case "$host_os" in solaris*) dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment @@ -197,53 +248,76 @@ AC_DEFUN([AC_LIB_PREPARE_MULTILIB], dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link." dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the dnl symlink is missing, so we set acl_libdirstem2 too. - if test $gl_cv_solaris_64bit = yes; then - acl_libdirstem=lib/64 + if test $HOST_CPU_C_ABI_32BIT = no; then + acl_libdirstem2=lib/64 case "$host_cpu" in - sparc*) acl_libdirstem2=lib/sparcv9 ;; - i*86 | x86_64) acl_libdirstem2=lib/amd64 ;; + sparc*) acl_libdirstem3=lib/sparcv9 ;; + i*86 | x86_64) acl_libdirstem3=lib/amd64 ;; esac fi ;; *) dnl If $CC generates code for a 32-bit ABI, the libraries are - dnl surely under $prefix/lib, not $prefix/lib64. - if test "$HOST_CPU_C_ABI_32BIT" != yes; then - dnl The result is a property of the system. However, non-system - dnl compilers sometimes have odd library search paths. Therefore - dnl prefer asking /usr/bin/gcc, if available, rather than $CC. - searchpath=`(if test -f /usr/bin/gcc \ - && LC_ALL=C /usr/bin/gcc -print-search-dirs >/dev/null 2>/dev/null; then \ - LC_ALL=C /usr/bin/gcc -print-search-dirs; \ - else \ - LC_ALL=C $CC -print-search-dirs; \ - fi) 2>/dev/null \ - | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` - if test -n "$searchpath"; then - acl_save_IFS="${IFS= }"; IFS=":" - for searchdir in $searchpath; do - if test -d "$searchdir"; then - case "$searchdir" in - */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; - */../ | */.. ) - # Better ignore directories of this form. They are misleading. - ;; - *) searchdir=`cd "$searchdir" && pwd` - case "$searchdir" in - */lib64 ) acl_libdirstem=lib64 ;; - esac ;; - esac - fi - done - IFS="$acl_save_IFS" + dnl surely under $prefix/lib or $prefix/lib32, not $prefix/lib64. + dnl Similarly, if $CC generates code for a 64-bit ABI, the libraries + dnl are surely under $prefix/lib or $prefix/lib64, not $prefix/lib32. + dnl Find the compiler's search path. However, non-system compilers + dnl sometimes have odd library search paths. But we can't simply invoke + dnl '/usr/bin/gcc -print-search-dirs' because that would not take into + dnl account the -m32/-m31 or -m64 options from the $CC or $CFLAGS. + searchpath=`(LC_ALL=C $CC $CPPFLAGS $CFLAGS -print-search-dirs) 2>/dev/null \ + | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test $HOST_CPU_C_ABI_32BIT != no; then + # 32-bit or unknown ABI. + if test -d /usr/lib32; then + acl_libdirstem2=lib32 + fi + fi + if test $HOST_CPU_C_ABI_32BIT != yes; then + # 64-bit or unknown ABI. + if test -d /usr/lib64; then + acl_libdirstem3=lib64 + fi + fi + if test -n "$searchpath"; then + acl_save_IFS="${IFS= }"; IFS=":" + for searchdir in $searchpath; do + if test -d "$searchdir"; then + case "$searchdir" in + */lib32/ | */lib32 ) acl_libdirstem2=lib32 ;; + */lib64/ | */lib64 ) acl_libdirstem3=lib64 ;; + */../ | */.. ) + # Better ignore directories of this form. They are misleading. + ;; + *) searchdir=`cd "$searchdir" && pwd` + case "$searchdir" in + */lib32 ) acl_libdirstem2=lib32 ;; + */lib64 ) acl_libdirstem3=lib64 ;; + esac ;; + esac + fi + done + IFS="$acl_save_IFS" + if test $HOST_CPU_C_ABI_32BIT = yes; then + # 32-bit ABI. + acl_libdirstem3= + fi + if test $HOST_CPU_C_ABI_32BIT = no; then + # 64-bit ABI. + acl_libdirstem2= fi fi ;; esac test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" - acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2" + test -n "$acl_libdirstem3" || acl_libdirstem3="$acl_libdirstem" + acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2,$acl_libdirstem3" ]) - # Decompose acl_cv_libdirstems into acl_libdirstem and acl_libdirstem2. + dnl Decompose acl_cv_libdirstems into acl_libdirstem, acl_libdirstem2, and + dnl acl_libdirstem3. +changequote(,)dnl acl_libdirstem=`echo "$acl_cv_libdirstems" | sed -e 's/,.*//'` - acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e '/,/s/.*,//'` + acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,//' -e 's/,.*//'` + acl_libdirstem3=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,[^,]*,//' -e 's/,.*//'` +changequote([,])dnl ]) -- 2.44.0