From 776dc15d3809dbd893c878907960ad4ea556604d Mon Sep 17 00:00:00 2001 From: Kelley Cook Date: Fri, 18 Jun 2004 01:59:45 +0000 Subject: [PATCH] opts.sh: Delete. 2004-06-18 Kelley Cook * opts.sh: Delete. Break out generated code to next four files. * opt-gather.awk: New file. * optc-gen.awk: New file. * opth-gen.awk: New file. * opt-functions.awk: New common file. * Makefile.in: Update for above. * configure.ac: Update comment. * configure: Regenerate. From-SVN: r83333 --- gcc/ChangeLog | 11 ++ gcc/Makefile.in | 19 +++- gcc/configure | 2 +- gcc/configure.ac | 2 +- gcc/opt-functions.awk | 76 +++++++++++++ gcc/opt-gather.awk | 54 ++++++++++ gcc/optc-gen.awk | 144 +++++++++++++++++++++++++ gcc/opth-gen.awk | 128 ++++++++++++++++++++++ gcc/opts.sh | 241 ------------------------------------------ 9 files changed, 429 insertions(+), 248 deletions(-) create mode 100644 gcc/opt-functions.awk create mode 100644 gcc/opt-gather.awk create mode 100644 gcc/optc-gen.awk create mode 100644 gcc/opth-gen.awk delete mode 100644 gcc/opts.sh diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b1c4f8d8b41..d3ee7a2e72e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,14 @@ +2004-06-18 Kelley Cook + + * opts.sh: Delete. Break out generated code to next four files. + * opt-gather.awk: New file. + * optc-gen.awk: New file. + * opth-gen.awk: New file. + * opt-functions.awk: New common file. + * Makefile.in: Update for above. + * configure.ac: Update comment. + * configure: Regenerate. + 2004-06-17 Richard Henderson * c-common.c (flag_objc_sjlj_exceptions): New. diff --git a/gcc/Makefile.in b/gcc/Makefile.in index 3db6176f03d..0c1981f4db8 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -1511,13 +1511,21 @@ s-specs : Makefile $(SHELL) $(srcdir)/../move-if-change tmp-specs.h specs.h $(STAMP) s-specs -options.c options.h: s-options ; @true -s-options: $(lang_opt_files) $(srcdir)/opts.sh Makefile - AWK=$(AWK) $(SHELL) $(srcdir)/opts.sh \ - '$(SHELL) $(srcdir)/../move-if-change' \ - options.c options.h $(lang_opt_files) +optionlist: s-options ; @true +s-options: $(lang_opt_files) Makefile $(srcdir)/opt-gather.awk + $(AWK) -f $(srcdir)/opt-gather.awk $(lang_opt_files) > tmp-optionlist + $(SHELL) $(srcdir)/../move-if-change tmp-optionlist optionlist $(STAMP) s-options + +options.c: optionlist $(srcdir)/opt-functions.awk $(srcdir)/optc-gen.awk + $(AWK) -f $(srcdir)/opt-functions.awk -f $(srcdir)/optc-gen.awk \ + -v header_name="options.h" < $< > $@ + +options.h: optionlist $(srcdir)/opt-functions.awk $(srcdir)/opth-gen.awk + $(AWK) -f $(srcdir)/opt-functions.awk -f $(srcdir)/opth-gen.awk \ + < $< > $@ + options.o: options.c options.h opts.h intl.h dumpvers: dumpvers.c @@ -3010,6 +3018,7 @@ clean: mostlyclean lang.clean -rm -f libgcc.a libgcc_eh.a libgcov.a -rm -f libgcc_s$(SHLIB_EXT) libgcc_s$(SHLIB_EXT).1 -rm -f config.h tconfig.h bconfig.h tm_p.h tm.h + -rm -f options.c options.h optionlist -rm -f cs-* -rm -rf libgcc -rm -f doc/*.dvi diff --git a/gcc/configure b/gcc/configure index 33a6da9e15f..ef40f176ce0 100755 --- a/gcc/configure +++ b/gcc/configure @@ -4906,7 +4906,7 @@ fi test -n "$AWK" && break done -# We need awk to run opts.sh (to create options.c and options.h). +# We need awk to create options.c and options.h. # Bail out if it's missing. case ${AWK} in "") { { echo "$as_me:$LINENO: error: can't build without awk, bailing out" >&5 diff --git a/gcc/configure.ac b/gcc/configure.ac index 1b037abbff4..3460d27ceb6 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -720,7 +720,7 @@ AC_PROG_MAKE_SET # Find some useful tools AC_PROG_AWK -# We need awk to run opts.sh (to create options.c and options.h). +# We need awk to create options.c and options.h. # Bail out if it's missing. case ${AWK} in "") AC_MSG_ERROR([can't build without awk, bailing out]) ;; diff --git a/gcc/opt-functions.awk b/gcc/opt-functions.awk new file mode 100644 index 00000000000..a21f29d4b12 --- /dev/null +++ b/gcc/opt-functions.awk @@ -0,0 +1,76 @@ +# Copyright (C) 2003,2004 Free Software Foundation, Inc. +# Contributed by Kelley Cook, June 2004. +# Original code from Neil Booth, May 2003. +# +# 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 2, 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. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Some common subroutines for use by opt[ch]-gen.awk. + +function switch_flags (flags) +{ + flags = " " flags " " + result = "0" + for (j = 0; j < n_langs; j++) { + regex = " " langs[j] " " + gsub ( "\\+", "\\+", regex ) + if (flags ~ regex) + result = result " | " macros[j] + } + if (flags ~ " Common ") result = result " | CL_COMMON" + if (flags ~ " Joined ") result = result " | CL_JOINED" + if (flags ~ " JoinedOrMissing ") \ + result = result " | CL_JOINED | CL_MISSING_OK" + if (flags ~ " Separate ") result = result " | CL_SEPARATE" + if (flags ~ " RejectNegative ") result = result " | CL_REJECT_NEGATIVE" + if (flags ~ " UInteger ") result = result " | CL_UINTEGER" + if (flags ~ " Undocumented ") result = result " | CL_UNDOCUMENTED" + if (flags ~ " Report ") result = result " | CL_REPORT" + sub( "^0 \\| ", "", result ) + return result +} + +function var_args(flags) +{ + if (flags !~ "Var\\(") + return "" + sub(".*Var\\(", "", flags) + sub("\\).*", "", flags) + + return flags +} +function var_name(flags) +{ + s = var_args(flags) + if (s == "") + return ""; + sub( ",.*", "", s) + return s +} +function var_set(flags) +{ + s = var_args(flags) + if (s !~ ",") + return "0, 0" + sub( "[^,]*,", "", s) + return "1, " s +} +function var_ref(flags) +{ + name = var_name(flags) + if (name == "") + return "0" + else + return "&" name +} diff --git a/gcc/opt-gather.awk b/gcc/opt-gather.awk new file mode 100644 index 00000000000..2feb6d84372 --- /dev/null +++ b/gcc/opt-gather.awk @@ -0,0 +1,54 @@ +# Copyright (C) 2003,2004 Free Software Foundation, Inc. +# Contributed by Kelley Cook, June 2004. +# Original code from Neil Booth, May 2003. +# +# 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 2, 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. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# This Awk script takes a list of *.opt files and combines them into +# a three-field sorted list suitable for input into opt[ch]-gen.awk. +# +# Usage: awk -f opt-gather.awk file1.opt [...] > outputfile + +function sort(ARRAY, ELEMENTS) +{ + for (i = 2; i <= ELEMENTS; ++i) { + for (j = i; ARRAY[j-1] > ARRAY[j]; --j) { + temp = ARRAY[j] + ARRAY[j] = ARRAY[j-1] + ARRAY[j-1] = temp + } + } + return +} + +BEGIN { numrec = 0 } + +# Ignore comments and blank lines +/^[ \t]*(;|$)/ { flag = 0; next } +/^[^ \t]/ { if (flag == 0) { + record[++numrec] = $0 + flag = 1 } + else { + record[numrec] = record[numrec] SUBSEP $0 + } +} + +# Sort it and output it +END { + sort(record,numrec) + + for (i = 1; i <= numrec; i++) { + print record[i] } +} diff --git a/gcc/optc-gen.awk b/gcc/optc-gen.awk new file mode 100644 index 00000000000..3ed1cf881be --- /dev/null +++ b/gcc/optc-gen.awk @@ -0,0 +1,144 @@ +# Copyright (C) 2003,2004 Free Software Foundation, Inc. +# Contributed by Kelley Cook, June 2004. +# Original code from Neil Booth, May 2003. +# +# 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 2, 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. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# This Awk script reads in the option records generated from +# opt-gather.awk, combines the flags of duplicat options and generates a +# C file. +# +# This program uses functions from opt-functions.awk +# +# Usage: awk -f opt-functions.awk -f optc-gen.awk \ +# [-v header_name=header.h] < inputfile > options.c + +BEGIN { + n_opts = 0 + n_langs = 0 + quote = "\042" + comma = "," + FS=SUBSEP + # Default the name of header created from opth-gen.awk to options.h + if (header_name == "") header_name="options.h" +} + +# Collect the text and flags of each option into an array + { + if ($1 == "Language") { + langs[n_langs] = $2 + n_langs++; + } + else { + opts[n_opts] = $1 + flags[n_opts] = $2 + help[n_opts] = $3 + n_opts++; + } + } + +# Dump that array of options into a C file. +END { +print "/* This file is auto-generated by opts.sh. */" +print "" +print "#include " +print "#include " quote header_name quote +print "#include " quote "opts.h" quote +print "" + +for (i = 0; i < n_opts; i++) { + name = var_name(flags[i]); + if (name == "") + continue; + + if (flags[i] ~ "VarExists") + continue; + + if (flags[i] ~ "Init\\(") + { + init = flags[i]; + sub(".*Init\\(","",init); + sub("\\).*","",init); + init = " = " init; + } + else + init = ""; + + printf ("/* Set by -%s.\n %s */\nint %s%s;\n\n", + opts[i], help[i], name,init) + } + + +print "const char * const lang_names[] =\n{" +for (i = 0; i < n_langs; i++) { + macros[i] = "CL_" langs[i] + gsub( "[^A-Za-z0-9_]", "X", macros[i] ) + s = substr(" ", length (macros[i])) + print " " quote langs[i] quote "," + } + +print " 0\n};\n" +print "const unsigned int cl_options_count = N_OPTS;\n" + +print "const struct cl_option cl_options[] =\n{" + +for (i = 0; i < n_opts; i++) + back_chain[i] = "N_OPTS"; + + for (i = 0; i < n_opts; i++) { + # Combine the flags of identical switches. Switches + # appear many times if they are handled by many front + # ends, for example. + while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { + flags[i + 1] = flags[i] " " flags[i + 1]; + i++; + } + + len = length (opts[i]); + enum = "OPT_" opts[i] + if (opts[i] == "finline-limit=") + enum = enum "eq" + gsub ("[^A-Za-z0-9]", "_", enum) + + # If this switch takes joined arguments, back-chain all + # subsequent switches to it for which it is a prefix. If + # a later switch S is a longer prefix of a switch T, T + # will be back-chained to S in a later iteration of this + # for() loop, which is what we want. + if (flags[i] ~ "Joined") { + for (j = i + 1; j < n_opts; j++) { + if (substr (opts[j], 1, len) != opts[i]) + break; + back_chain[j] = enum; + } + } + + s = substr(" ", length (opts[i])) + if (i + 1 == n_opts) + comma = "" + + if (help[i] == "") + hlp = "0" + else + hlp = "N_(" quote help[i] quote ")"; + + printf(" { %c-%s%c,\n %s,\n %s, %u, %s, %s, %s }%s\n", + quote, opts[i], quote, hlp, back_chain[i], len, + switch_flags(flags[i]), + var_ref(flags[i]), var_set(flags[i]), comma) +} + +print "};" +} diff --git a/gcc/opth-gen.awk b/gcc/opth-gen.awk new file mode 100644 index 00000000000..6cea944bc49 --- /dev/null +++ b/gcc/opth-gen.awk @@ -0,0 +1,128 @@ +# Copyright (C) 2003,2004 Free Software Foundation, Inc. +# Contributed by Kelley Cook, June 2004. +# Original code from Neil Booth, May 2003. +# +# 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 2, 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. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# This Awk script reads in the option records generated from +# opt-gather.awk, combines the flags of duplicate options and generates a +# C header file. +# +# This program uses functions from opt-functions.awk +# Usage: awk -f opt-functions.awk -f opth-gen.awk < inputfile > options.h + +BEGIN { + n_opts = 0 + n_langs = 0 + quote = "\042" + comma = "," + FS=SUBSEP +} + +# Collect the text and flags of each option into an array + { + if ($1 == "Language") { + langs[n_langs] = $2 + n_langs++; + } + else { + opts[n_opts] = $1 + flags[n_opts] = $2 + help[n_opts] = $3 + n_opts++; + } + } + +# Dump out an enumeration into a .h file. +# Combine the flags of duplicate options. +END { +print "/* This file is auto-generated by opts.sh. */" +print "" +print "#ifndef OPTIONS_H" +print "#define OPTIONS_H" +print "" + +for (i = 0; i < n_opts; i++) { + name = var_name(flags[i]); + if (name == "") + continue; + + print "/* Set by -" opts[i] "." + print " " help[i] " */" + print "extern int " name ";" + print "" + + } + + +for (i = 0; i < n_langs; i++) { + macros[i] = "CL_" langs[i] + gsub( "[^A-Za-z0-9_]", "X", macros[i] ) + s = substr(" ", length (macros[i])) + print "#define " macros[i] s " (1 << " i ")" + } + +print "" +print "enum opt_code" +print "{" + +for (i = 0; i < n_opts; i++) + back_chain[i] = "N_OPTS"; + + for (i = 0; i < n_opts; i++) { + # Combine the flags of identical switches. Switches + # appear many times if they are handled by many front + # ends, for example. + while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { + flags[i + 1] = flags[i] " " flags[i + 1]; + i++; + } + + len = length (opts[i]); + enum = "OPT_" opts[i] + if (opts[i] == "finline-limit=") + enum = enum "eq" + gsub ("[^A-Za-z0-9]", "_", enum) + + # If this switch takes joined arguments, back-chain all + # subsequent switches to it for which it is a prefix. If + # a later switch S is a longer prefix of a switch T, T + # will be back-chained to S in a later iteration of this + # for() loop, which is what we want. + if (flags[i] ~ "Joined") { + for (j = i + 1; j < n_opts; j++) { + if (substr (opts[j], 1, len) != opts[i]) + break; + back_chain[j] = enum; + } + } + + s = substr(" ", length (opts[i])) + if (i + 1 == n_opts) + comma = "" + + if (help[i] == "") + hlp = "0" + else + hlp = "N_(\"" help[i] "\")"; + + print " " enum "," s "/* -" opts[i] " */" +} + +print " N_OPTS" +print "};" +print "" +print "#endif /* OPTIONS_H */" +} diff --git a/gcc/opts.sh b/gcc/opts.sh deleted file mode 100644 index f73618141b1..00000000000 --- a/gcc/opts.sh +++ /dev/null @@ -1,241 +0,0 @@ -#!/bin/sh -# -# Copyright (C) 2003 Free Software Foundation, Inc. -# Contributed by Neil Booth, May 2003. -# -# 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 2, 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. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -# -# Usage: opts.sh moveifchange srcdir outfile.c outfile.h file1.opt [ ...] - -# Always operate in the C locale. -LANG=C -LANGUAGE=C -LC_ALL=C -export LANG LANGUAGE LC_ALL - -# Set AWK if environment has not already set it. -AWK=${AWK-awk} - -SORT=sort # Could be /bin/sort or /usr/bin/sort - -MOVEIFCHANGE=$1; shift -C_FILE=$1; shift -H_FILE=$1; shift -TMP_C_FILE=tmp-${C_FILE} -TMP_H_FILE=tmp-${H_FILE} - -${AWK} ' - # Ignore comments and blank lines - /^[ \t]*(;|$)/ { next } - # Note that RS="" falls foul of gawk 3.1.2 bugs - /^[^ \t]/ { record = $0 - do { getline tmp; - if (!(tmp ~ "^[ \t]*(;|$)")) - record = record "\034" tmp - } while (tmp != "") - print record - } -' "$@" | ${SORT} | ${AWK} ' - function switch_flags (flags, result) - { - flags = " " flags " " - result = "0" - for (j = 0; j < n_langs; j++) { - regex = " " langs[j] " " - gsub ( "\\+", "\\+", regex ) - if (flags ~ regex) - result = result " | " macros[j] - } - if (flags ~ " Common ") result = result " | CL_COMMON" - if (flags ~ " Joined ") result = result " | CL_JOINED" - if (flags ~ " JoinedOrMissing ") \ - result = result " | CL_JOINED | CL_MISSING_OK" - if (flags ~ " Separate ") result = result " | CL_SEPARATE" - if (flags ~ " RejectNegative ") result = result " | CL_REJECT_NEGATIVE" - if (flags ~ " UInteger ") result = result " | CL_UINTEGER" - if (flags ~ " Undocumented ") result = result " | CL_UNDOCUMENTED" - if (flags ~ " Report ") result = result " | CL_REPORT" - sub( "^0 \\| ", "", result ) - return result - } - function var_args(flags) - { - if (flags !~ "Var\\(") - return ""; - sub(".*Var\\(", "", flags); - sub("\\).*", "", flags); - - return flags; - } - function var_name(flags) - { - s = var_args(flags); - if (s == "") - return ""; - sub( ",.*", "", s); - return s; - } - function var_set(flags) - { - s = var_args(flags); - if (s !~ ",") - return "0, 0"; - sub( "[^,]*,", "", s); - return "1, " s; - } - function var_ref(flags) - { - name = var_name(flags); - if (name == "") - return "0"; - else - return "&" name; - } - - BEGIN { - FS = "\034" - n_opts = 0 - n_langs = 0 - } - -# Collect the text and flags of each option into an array - { - if ($1 == "Language") { - langs[n_langs] = $2 - n_langs++; - } else { - opts[n_opts] = $1 - flags[n_opts] = $2 - help[n_opts] = $3 - n_opts++; - } - } - -# Dump out an enumeration into a .h file, and an array of options into a -# C file. Combine the flags of duplicate options. - END { - c_file = "'${TMP_C_FILE}'" - h_file = "'${TMP_H_FILE}'" - realh_file = "'${H_FILE}'" - comma = "," - - print "/* This file is auto-generated by opts.sh. */\n" > c_file - print "#include " >> c_file - print "#include \"" realh_file "\"" >> c_file - print "#include \"opts.h\"\n" >> c_file - - print "/* This file is auto-generated by opts.sh. */\n" > h_file - print "#ifndef OPTIONS_H" >> h_file - print "#define OPTIONS_H\n" >> h_file - - for (i = 0; i < n_opts; i++) { - name = var_name(flags[i]); - if (name == "") - continue; - - printf ("/* Set by -%s.\n %s */\nextern int %s;\n\n", - opts[i], help[i], name) >> h_file - - if (flags[i] ~ "VarExists") - continue; - - if (flags[i] ~ "Init\\(") - { - init = flags[i]; - sub(".*Init\\(","",init); - sub("\\).*","",init); - init = " = " init; - } - else - init = ""; - - printf ("/* Set by -%s.\n %s */\nint %s%s;\n\n", - opts[i], help[i], name,init) >> c_file - } - - - print "const char * const lang_names[] =\n{" >> c_file - for (i = 0; i < n_langs; i++) { - macros[i] = "CL_" langs[i] - gsub( "[^A-Za-z0-9_]", "X", macros[i] ) - s = substr(" ", length (macros[i])) - print "#define " macros[i] s " (1 << " i ")" >> h_file - print " \"" langs[i] "\"," >> c_file - } - - print " 0\n};\n" >> c_file - print "const unsigned int cl_options_count = N_OPTS;\n" >> c_file - - print "const struct cl_option cl_options[] =\n{" >> c_file - - print "\nenum opt_code\n{" >> h_file - - for (i = 0; i < n_opts; i++) - back_chain[i] = "N_OPTS"; - - for (i = 0; i < n_opts; i++) { - # Combine the flags of identical switches. Switches - # appear many times if they are handled by many front - # ends, for example. - while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { - flags[i + 1] = flags[i] " " flags[i + 1]; - i++; - } - - len = length (opts[i]); - enum = "OPT_" opts[i] - if (opts[i] == "finline-limit=") - enum = enum "eq" - gsub ("[^A-Za-z0-9]", "_", enum) - - # If this switch takes joined arguments, back-chain all - # subsequent switches to it for which it is a prefix. If - # a later switch S is a longer prefix of a switch T, T - # will be back-chained to S in a later iteration of this - # for() loop, which is what we want. - if (flags[i] ~ "Joined") { - for (j = i + 1; j < n_opts; j++) { - if (substr (opts[j], 1, len) != opts[i]) - break; - back_chain[j] = enum; - } - } - - s = substr(" ", length (opts[i])) - if (i + 1 == n_opts) - comma = "" - - if (help[i] == "") - hlp = "0" - else - hlp = "N_(\"" help[i] "\")"; - - printf(" %s,%s/* -%s */\n", enum, s, opts[i]) >> h_file - printf(" { \"-%s\",\n %s,\n %s, %u, %s, %s, %s }%s\n", - opts[i], hlp, back_chain[i], len, - switch_flags(flags[i]), - var_ref(flags[i]), var_set(flags[i]), comma) >> c_file - } - - print " N_OPTS\n};\n" >> h_file - print "#endif /* OPTIONS_H */" >> h_file - print "};" >> c_file - } -' - -# Copy the newly generated files back to the correct names only if different. -# This is to prevent a cascade of file rebuilds when not necessary. -${MOVEIFCHANGE} ${TMP_H_FILE} ${H_FILE} -${MOVEIFCHANGE} ${TMP_C_FILE} ${C_FILE} -- 2.30.2