mirror of
https://github.com/EnergyMech/energymech.git
synced 2025-12-29 16:14:43 +00:00
compiles clean using -std=c89
This commit is contained in:
joonicks
127
configure
vendored
127
configure
vendored
@@ -379,7 +379,11 @@ __EOT__
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exit 0
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;;
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CC=*)
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CC=`echo $opt | sed 's/.*=//;'`
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CC=`echo $opt | sed 's/CC=//;'`
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;;
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CFLAGS=*)
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CFLAGS=`echo $opt | sed 's/CFLAGS=//;'`
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echo "cflags is $CFLAGS"
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;;
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*)
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echo "unknown option: $opt"
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@@ -441,44 +445,13 @@ fi
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echo $ac_t "$cf_SYSMACH"
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#
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#
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#
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echo $ac_n "checking for C compiler ... "$ac_c
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if [ "$CC" ]; then
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CCshort="$CC"
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CC=`config/which $CC`
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else
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CCshort=gcc
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CC=`config/which gcc`
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fi
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if [ ! -x "$CC" ]; then
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CCshort=cc
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CC=`config/which cc`
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if [ ! -x "$CC" ]; then
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echo $ac_t "not found"
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echo "A working C compiler is needed to compile the EnergyMech"
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echo "exiting ..."
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exit 1
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fi
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fi
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CClong="$CC"
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CC="$CCshort"
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echo $ac_t "$CC"
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# set up things for test compiling
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TESTO=./test$$.o
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TESTP=./test$$
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rm -f $TESTO $TESTP
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CCshort=
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has_musl=no
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#
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# if directed to use libmusl instead of (g)libc ...
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#
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if [ ! "$try_libmusl" = no ]; then
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echo $ac_n "checking for libmusl ... "$ac_c
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echo $ac_n "checking for libmusl gcc wrapper ... "$ac_c
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mgcc=`config/which musl-gcc`
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if [ -x "$mgcc" ]; then
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CC="$mgcc"
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@@ -496,15 +469,47 @@ if [ ! "$try_libmusl" = no ]; then
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CC=/opt/musl/bin/musl-gcc
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fi
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CCshort=$CC
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echo $ac_t yes
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fi
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#
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# a C compiler is good to have
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#
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if [ -z "$CCshort" ]; then
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echo $ac_n "checking for C compiler ... "$ac_c
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if [ "$CC" ]; then
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CCshort="$CC"
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CC=`config/which $CC`
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fi
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if [ ! -x "$CC" ]; then
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CCshort=gcc
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CC=`config/which gcc`
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fi
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if [ ! -x "$CC" ]; then
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CCshort=cc
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CC=`config/which cc`
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if [ ! -x "$CC" ]; then
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echo $ac_t "not found"
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echo "A working C compiler is needed to compile the EnergyMech"
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echo "exiting ..."
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exit 1
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fi
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fi
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fi
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CClong="$CC"
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CC="$CCshort"
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echo $ac_t "$CC"
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#
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# set up things for test compiling
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#
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TESTO=./test$$.o
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TESTP=./test$$
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rm -f $TESTO $TESTP
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#
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# does the C compile work?
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#
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TESTC=config/cc.c
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echo $ac_n "checking whether $CC works or not ... "$ac_c
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$CC -o $TESTP $TESTC 1> /dev/null 2> /dev/null
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WORK=no
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@@ -543,13 +548,23 @@ fi
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#
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# compiler flags
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#
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echo $ac_n "checking C compiler flags ... "$ac_c
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#
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# user defined CFLAGS
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#
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cf_cflags=
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if [ -n "$CFLAGS" ]; then
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if $CC $CFLAGS -c -o $TESTO $TESTC 1> /dev/null 2> /dev/null && test -r $TESTO; then
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cf_cflags="$CFLAGS"
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echo $ac_n "$CFLAGS "$ac_c
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fi
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fi
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#
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# -g
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#
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if [ -z "$cc_g_opt" ]; then
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if [ -z "$cf_cflags" -a -z "$cc_g_opt" ]; then
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cc_g_opt=no
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if $CC -g -c -o $TESTO $TESTC 1> /dev/null 2> /dev/null && test -r $TESTO; then
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cc_g_opt=yes
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@@ -557,10 +572,11 @@ if [ -z "$cc_g_opt" ]; then
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echo $ac_n "-g "$ac_c
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fi
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fi
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#
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# GNU GCC
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#
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if [ -n "$cf_GNUCC" ]; then
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if [ -z "$cf_cflags" -a -n "$cf_GNUCC" ]; then
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#
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# -Wall -Wshadow
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#
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@@ -611,7 +627,7 @@ if [ -n "$cf_GNUCC" ]; then
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fi
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fi
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if [ -z "$cc_pipe_opt" ]; then
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if [ -z "$cf_cflags" -a -z "$cc_pipe_opt" ]; then
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if $CC -pipe -c -o $TESTO $TESTC 1> /dev/null 2> /dev/null && test -r $TESTO; then
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cc_pipe_flag="-pipe"
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echo $ac_n "-pipe "$ac_c
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@@ -623,7 +639,7 @@ if [ "$optitype" = size ]; then
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oflag="-Os"
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fi
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if [ -z "$cc_optimize_opt" ]; then
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if [ -z "$cf_cflags" -a -z "$cc_optimize_opt" ]; then
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if $CC $oflag -o $TESTO $TESTC 1> /dev/null 2> /dev/null; then
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cc_optimize_flag="$oflag"
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echo $ac_n "$oflag "$ac_c
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@@ -1413,22 +1429,27 @@ lflags="$cc_g_flag -o"
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cprof="$cc_pg_flag $cc_pg_define"
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lprof="$cc_pg_flag $cc_pg_define $libpgdl"
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if [ -z "$cf_cflags" ]; then
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cf_cflags='$(PIPEFLAG) $(GDBFLAG) $(WARNFLAG) $(OPTIMIZE)'
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fi
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echo '# This file is generated from Makefile.in' > src/Makefile
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sed "
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s%@CC@%$CCshort%;
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s%@ldscript@%$ldscript%;
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s%@pipeflag@%$cc_pipe_flag%;
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s%@gdbflag@%$cc_g_flag%;
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/@cprof@/ { s,@cprof@,$cprof,; };
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/@lprof@/ { s,@lprof@,$lprof,; };
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/@lflags@/ { s,@lflags@,$lflags,; };
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/@libflags@/ { s,@libflags@,$libflags,; };
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/@W_FLAGS@/ { s/@W_FLAGS@/$W_FLAGS/; };
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/@O_FLAGS@/ { s/@O_FLAGS@/$O_FLAGS/; };
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/@I_PERL@/ { s,@I_PERL@,$I_PERL,; };
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/@L_PERL@/ { s,@L_PERL@,$L_PERL,; };
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/@PYINCLUDE@/ { s,@PYINCLUDE@,$incpython,; };
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/@TCLINCLUDE@/ { s,@TCLINCLUDE@,$inctcl,; };
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/@cprof@/ { s,@cprof@,$cprof,; };
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/@lprof@/ { s,@lprof@,$lprof,; };
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/@lflags@/ { s,@lflags@,$lflags,; };
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/@libflags@/ { s,@libflags@,$libflags,; };
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/@W_FLAGS@/ { s/@W_FLAGS@/$W_FLAGS/; };
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/@O_FLAGS@/ { s/@O_FLAGS@/$O_FLAGS/; };
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/@CFLAGS@/ { s/@CFLAGS@/$cf_cflags/; };
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/@I_PERL@/ { s,@I_PERL@,$I_PERL,; };
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/@L_PERL@/ { s,@L_PERL@,$L_PERL,; };
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/@PYINCLUDE@/ { s,@PYINCLUDE@,$incpython,; };
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/@TCLINCLUDE@/ { s,@TCLINCLUDE@,$inctcl,; };
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s|@MD5_C@|$MD5_C|;
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s|@SHA_C@|$SHA_C|;
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s|@MD5_O@|$MD5_O|;
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@@ -1552,5 +1573,3 @@ $out 'Submit your bugreports at https://github.com/MadCamel/energymech/issues'
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$out ''
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$out 'You have read the README file I hope?'
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$out ''
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