16

I am trying to install shc on Ubuntu 18.04

wget http://www.datsi.fi.upm.es/~frosal/sources/shc-3.8.9b.tgz
tar xvfz shc-3.8.9.tgz
cd shc-3.8.9
make

But receive the following error:

cc -Wall  shc.c -o shc
make: cc: Command not found
makefile:31: recipe for target 'shc' failed
make: *** [shc] Error 127

The makefile:

# Makefile
#

INSTALL_PATH = /usr/local

# For SCO
CFLAGS = -b elf -O -D_SVID

# For IRIX
CFLAGS = -xansi -fullwarn -O3 -g0

# For Solaris
CFLAGS = -fast -xO4 -s -v -Xa

# For HPUX
CFLAGS = -Wall -O -Ae

# For OSF1
CFLAGS = -w -verbose -fast -std1 -g0

# For GNU C compiler
CFLAGS = -Wall # -O6 -pedantic

#SHELL = /bin/sh

SHCFLAGS = -v -T # Add -T option to allow binary to be traceable

all: shc ask_for_test

shc: shc.c
    $(CC) $(CFLAGS) $@.c -o $@

ask_for_test:
    @echo '***  �Do you want to probe shc with a test script?'
    @echo '***  Please try...   make test'

test: make_the_test ask_for_strings

make_the_test: match.x
    @echo '***  Running a compiled test script!'
    @echo '***  It must show files with substring "sh" in your PATH...'
    ./match.x sh

match.x: shc match
    @echo '***  Compiling script "match"'
    CFLAGS="$(CFLAGS)" ./shc $(SHCFLAGS) -f match

ask_for_strings:
    @echo '***  �Do you want to see strings in the generated binary?'
    @echo '***  Please try...   make strings'

strings: make_the_strings ask_for_expiration

make_the_strings: match.x
    @echo '***  Running: "strings -n 5 'match.x'"'
    @echo '***  It must show no sensible information...'
    strings -n 5 match.x

ask_for_expiration:
    @echo '***  �Do you want to probe expiration date?'
    @echo '***  Please try...   make expiration'

expiration: til_yesterday ask_for_install

til_yesterday: shc match
    @echo '***  Compiling "match" to expired date'
    CFLAGS="$(CFLAGS)" ./shc $(SHCFLAGS) -vv -e `date "+%d/%m/%Y"` -f match
    @echo '***  Running a compiled test script!'
    @echo '***  It must fail showing "./match.x: has expired!"'
    ./match.x

ask_for_install:
    @echo '***  �Do you want to install shc?'
    @echo '***  Please try...   make install'

install: shc
    @echo '***  Installing shc and shc.1 on '$(INSTALL_PATH)
    @echo -n '***   �Do you want to continue? '; read ANS; case "$$ANS" in y|Y|yes|Yes|YES) ;; *) exit 1;; esac;
    install -c -s shc $(INSTALL_PATH)/bin/
    install -c -m 644 shc.1 $(INSTALL_PATH)/man/man1/

clean:
    rm -f *.o *~ *.x.c

cleanall: clean
    rm -f shc *.x

I have no idea how to fix this error. Can anyone help?

2
  • 2
    Why are you even trying to build it from source? The shc package should be available from the universe repository: packages.ubuntu.com/bionic/shc. If you still believe you want to build it, then you should first install the build-essential tools package. Nov 22 '18 at 17:30
  • Because the internet told me to. n0where.net/how-to-encrypt-bash-script I'll admit I never tried checking apt. Thanks for the help! It is now installed successfully.
    – user797940
    Nov 22 '18 at 17:37
21

cc is an alias for the GNU C compiler (gcc). You can install it as follows:

 sudo apt install gcc

If, for some reason, the gcc compiler is already installed, but the symbolic link /usr/bin/cc is missing, you can also do:

 make CC=gcc
11

sudo apt install build-essential

This will install a C compiler (providing the cc command) as well as other tools that you may need for building software from source.

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