diff --git a/sim/ChangeLog b/sim/ChangeLog index fd368d6d67f..7b83115d9c5 100644 --- a/sim/ChangeLog +++ b/sim/ChangeLog @@ -1,3 +1,11 @@ +2021-01-18 Mike Frysinger + + * configure.ac: Call AC_PROG_CPP. + * configure: Regenerate. + * Makefile.in (abs_srcdir, srcroot, CPP): Define. + (nltvals): New target. + * README-HACKING: Change headers to nltvals. + 2021-01-18 Mike Frysinger * Makefile.in (headers): Change args to gennltvals.sh. diff --git a/sim/Makefile.in b/sim/Makefile.in index ca41cb6f65e..a35f807d6f0 100644 --- a/sim/Makefile.in +++ b/sim/Makefile.in @@ -19,6 +19,8 @@ VPATH = @srcdir@ srcdir = @srcdir@ +abs_srcdir = @abs_srcdir@ +srcroot = $(abs_srcdir)/.. prefix = @prefix@ exec_prefix = @exec_prefix@ @@ -54,6 +56,7 @@ INSTALL_DATA = @INSTALL_DATA@ AR = @AR@ AR_FLAGS = rc CC = @CC@ +CPP = @CPP@ CFLAGS = @CFLAGS@ CC_FOR_BUILD = @CC_FOR_BUILD@ CFLAGS_FOR_BUILD = @CFLAGS_FOR_BUILD@ @@ -221,6 +224,17 @@ Makefile: Makefile.in config.status config.status: configure $(SHELL) ./config.status --recheck +# Generate nltvals.def for newlib/libgloss using devo and build tree. +# This file is shipped with distributions so we build in the source dir. +# Use `make nltvals' to rebuild. +# Note: If gdb releases begin to contain target header files (not a good idea, +# but if they did ...), nltvals.def coud be generated at build time. +# An alternative is to slurp in the tables at runtime. +.PHONY: nltvals +nltvals: + $(SHELL) $(abs_srcdir)/common/gennltvals.sh --cpp "$(CPP)" --output nltvals.def --srcroot $(srcroot) && \ + $(SHELL) $(srcroot)/move-if-change nltvals.def $(abs_srcdir)/common/nltvals.def + # Utility to run autoconf in each directory that uses the common framework. # This is intended to be invoked in $srcdir as # "make -f Makefile.in autoconf-common SHELL=/bin/sh". diff --git a/sim/README-HACKING b/sim/README-HACKING index 7f0f93e0ab4..583a559d2b0 100644 --- a/sim/README-HACKING +++ b/sim/README-HACKING @@ -191,10 +191,10 @@ convenience): $ cd /tmp/$$/build $ /tmp/$$/devo/configure --target=d10v-elf -In the sim/common directory rebuild the headers: +In the sim/ directory rebuild the headers: - $ cd sim/common - $ make headers + $ cd sim/ + $ make nltvals To add a new target: diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog index 3571c95e918..beca012b601 100644 --- a/sim/common/ChangeLog +++ b/sim/common/ChangeLog @@ -1,3 +1,7 @@ +2021-01-18 Mike Frysinger + + * configure, configure.ac, Makefile.in: Delete. + 2021-01-13 Mike Frysinger * sim-watch.c (default_interrupt_handler): Define. diff --git a/sim/common/Makefile.in b/sim/common/Makefile.in deleted file mode 100644 index 33cd788737c..00000000000 --- a/sim/common/Makefile.in +++ /dev/null @@ -1,135 +0,0 @@ -# Makefile template for Configure for simulator common directory -# Copyright (C) 1996-2021 Free Software Foundation, Inc. -# -# 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 Free Software Foundation; either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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These files are -# shipped with distributions so CPP_FOR_TARGET only needs to work in -# developer's trees. This value is borrowed from ../../Makefile.in. -CPP_FOR_TARGET="\` \ - if test -f \$\${rootme}/../../gcc/Makefile ; then \ - if test -f \$\${rootme}/../../\$(TARGET_SUBDIR)/newlib/Makefile ; then \ - echo \$\${rootme}/../../gcc/xgcc -B\$\${rootme}/../../gcc/ -idirafter \$\${rootme}/../../\$(TARGET_SUBDIR)/newlib/targ-include -idirafter \$(srcroot)/newlib/libc/include -nostdinc; \ - else \ - echo \$\${rootme}/../../gcc/xgcc -B\$\${rootme}/../../gcc/; \ - fi; \ - else \ - if test '\$(host_canonical)' = '\$(target_canonical)' ; then \ - echo \$(CC); \ - else \ - t='\$(program_transform_name)'; echo gcc | sed -e 's/x/x/' \$\$t; \ - fi; \ - fi\` -E" -AC_SUBST(CPP_FOR_TARGET) - -# Set TARGET_SUBDIR, needed by CPP_FOR_TARGET. -if test x"${host}" = x"${target}" ; then - TARGET_SUBDIR="." -else - TARGET_SUBDIR=${target_alias} -fi -AC_SUBST(TARGET_SUBDIR) - -AC_OUTPUT(Makefile) diff --git a/sim/configure b/sim/configure index 7093cb1f1cf..28ed5d7691d 100755 --- a/sim/configure +++ b/sim/configure @@ -590,6 +590,7 @@ subdirs CFLAGS_FOR_BUILD CC_FOR_BUILD HDEFINES +CPP target_os target_vendor target_cpu @@ -664,7 +665,8 @@ CC CFLAGS LDFLAGS LIBS -CPPFLAGS' +CPPFLAGS +CPP' ac_subdirs_all='aarch64 arm avr @@ -1322,6 +1324,7 @@ Some influential environment variables: LIBS libraries to pass to the linker, e.g. -l CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I if you have headers in a nonstandard directory + CPP C preprocessor Use these variables to override the choices made by `configure' or to help it to find libraries and programs with nonstandard names/locations. @@ -1440,6 +1443,43 @@ fi as_fn_set_status $ac_retval } # ac_fn_c_try_compile + +# ac_fn_c_try_cpp LINENO +# ---------------------- +# Try to preprocess conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_cpp () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } > conftest.i && { + test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || + test ! -s conftest.err + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_cpp cat >config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. @@ -3552,6 +3592,143 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + AR=${AR-ar} diff --git a/sim/configure.ac b/sim/configure.ac index 7de8b99888b..99364cac7f4 100644 --- a/sim/configure.ac +++ b/sim/configure.ac @@ -10,6 +10,7 @@ AC_CHECK_TOOL(RANLIB, ranlib, :) AC_CANONICAL_SYSTEM AC_ARG_PROGRAM AC_PROG_CC +AC_PROG_CPP AC_SUBST(CFLAGS) AC_SUBST(HDEFINES) AR=${AR-ar}