I have this "Makefile.bug" and an empty file "yyy" which makes no logical sense
as I stripped my
original problem down to this.
-----------------------------------------------------------------------------
touch yyy
-----------------------------------------------------------------------------
Makefile.bug
-----------------------------------------------------------------------------
.PHONY: ggg
ggg:
perl -ne '$$top = "x.p.x1.x1"; if( $$verilog =~ /^$$/ ) { $$x=1}' yyy
.PHONY: xxx
xxx:
perl -ne '$$top = "x.p.x1.x1"; \
if( $$verilog =~ /^$$/ ) { $$x=1}' \
yyy
-----------------------------------------------------------------------------
If I use make 3.80 I can make both targets
/tools/gmake3.80/bin/make -f Makefile.bug ggg xxx
perl -ne '$top = "x.p.x1.x1"; if( $verilog =~ /^$/ ) { $x=1}' yyy
perl -ne '$top = "x.p.x1.x1"; \
if( $verilog =~ /^$/ ) { $x=1}' \
yyy
If I use make 3.81 I get an error from perl on the xxx target
/tools/wdtgnu/make-3.81/bin/make -f Makefile.bug ggg xxx
perl -ne '$top = "x.p.x1.x1"; if( $verilog =~ /^$/ ) { $x=1}' yyy
perl -ne '$top = "x.p.x1.x1"; \
if( $verilog =~ /^$/ ) { $x=1}' \
yyy
syntax error at -e line 2, near "if"
syntax error at -e line 2, near ";}"
Execution of -e aborted due to compilation errors.
make: *** [xxx] Error 255
It appears that something is going wrong on the interfacing of the perl
command into the bash shell which executes the perl.
Here is some information about the 3.81 make.
/tools/wdtgnu/make-3.81/bin/make --debug=j -f Makefile.bug ggg xxx
GNU Make 3.81
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
This program built for i686-pc-linux-gnu
perl -ne '$top = "x.p.x1.x1"; if( $verilog =~ /^$/ ) { $x=1}' yyy
Putting child 0x099e70a0 (ggg) PID 1624 on the chain.
Live child 0x099e70a0 (ggg) PID 1624
Reaping winning child 0x099e70a0 PID 1624
Removing child 0x099e70a0 PID 1624 from chain.
perl -ne '$top = "x.p.x1.x1"; \
if( $verilog =~ /^$/ ) { $x=1}' \
yyy
Putting child 0x099e73d0 (xxx) PID 1625 on the chain.
Live child 0x099e73d0 (xxx) PID 1625
syntax error at -e line 2, near "if"
syntax error at -e line 2, near ";}"
Execution of -e aborted due to compilation errors.
Reaping losing child 0x099e73d0 PID 1625
make: *** [xxx] Error 255
Removing child 0x099e73d0 PID 1625 from chain.
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