Problem installing Ruby 1.9.2 on Mac OS Lion

I am running Lion, utilizing Xcode 4, have RVM and homebrew installed but am only able to run ruby 1.8.7

    spurvis:~ rogue$ ruby -v
    ruby 1.8.7 (2010-01-10 patchlevel 249) [universal-darwin11.0]
    spurvis:~ rogue$

I've read through several threads related to this topic but nothing seems to work for my problem:

    spurvis:~ rogue$ rvm install 1.9.2
    Installing Ruby from source to: /Users/rogue/.rvm/rubies/ruby-1.9.2-p290, this may take a     while depending on your cpu(s)...

    ruby-1.9.2-p290 - #fetching 
    ruby-1.9.2-p290 - #extracted to /Users/rogue/.rvm/src/ruby-1.9.2-p290 (already extracted)
    Fetching yaml-0.1.4.tar.gz to /Users/rogue/.rvm/archives
    Extracting yaml-0.1.4.tar.gz to /Users/rogue/.rvm/src
    Configuring yaml in /Users/rogue/.rvm/src/yaml-0.1.4.
    Compiling yaml in /Users/rogue/.rvm/src/yaml-0.1.4.
    Installing yaml to /Users/rogue/.rvm/usr
    ruby-1.9.2-p290 - #configuring 
    ruby-1.9.2-p290 - #compiling 
    ERROR: Error running 'make ', please read /Users/rogue/.rvm/log/ruby-1.9.2-p290/make.log
    ERROR: There has been an error while running make. Halting the installation.

The make.log gives me the following info:

    [2011-08-08 11:50:52] make
    /usr/bin/gcc-4.2 -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith  -Wwrite-strings -Wno-missing-field-initial
    rbconfig.rb unchanged
    ./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb  ./enc/make_encmake.rb --  builtin-encs="ascii.o us_ascii.o unicode.o utf_8.
    ./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb  -I. ./tool/compile_prelude.rb     ./prelude.rb ./enc/prelude.rb ./gem_prelude
    /usr/bin/gcc-4.2 -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initial
    ar rcu libruby.1.9.1-static.a dln.o encoding.o version.o array.o bignum.o class.o compar.o     complex.o dir.o dln_find.o enum.o enumera
    /usr/bin/gcc-4.2 -dynamiclib -Wl,-undefined,dynamic_lookup -Wl,-multiply_defined,suppress -Wl,-flat_namespace -install_name /Users/r
    : -w -L 'Init_*' -L '*_threadptr_*' libruby.1.9.1.dylib
    ./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb  ./tool/generic_erb.rb -c -o    encdb.h ./template/encdb.h.tmpl ./enc enc
    encdb.h unchanged
    make -f enc.mk RUBY="./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb "    MINIRUBY="./miniruby -I./lib -I.ext/common -I./- -r
    make[1]: Nothing to be done for `enc'.
    make -f enc.mk RUBY="./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb "  MINIRUBY="./miniruby -I./lib -I.ext/common -I./- -r
    make[1]: Nothing to be done for `srcs'.
./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb  ./tool/generic_erb.rb -c -o  transdb.h ./template/transdb.h.tmpl ./enc/tra
    transdb.h unchanged
    make -f enc.mk RUBY="./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb "    MINIRUBY="./miniruby -I./lib -I.ext/common -I./- -r
    make[1]: Nothing to be done for `./enc/trans'.
make -f enc.mk RUBY="./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb "   MINIRUBY="./miniruby -I./lib -I.ext/common -I./- -r
    mkdir -p .ext/x86_64-darwin11.0.0/enc .ext/x86_64-darwin11.0.0/enc/trans enc enc/trans
    compiling -test-/bug-3662
    make[1]: Nothing to be done for `all'.
    compiling -test-/string
    make[1]: Nothing to be done for `all'.
    compiling bigdecimal
    make[1]: Nothing to be done for `all'.
    compiling continuation
    make[1]: Nothing to be done for `all'.
    compiling coverage
    make[1]: Nothing to be done for `all'.
    compiling curses
    
    compiling openssl
    /usr/bin/gcc-4.2 -I. -I../../.ext/include/x86_64-darwin11.0.0 -I../.././include - I../.././ext/openssl -DRUBY_EXTCONF_H=\"extconf.h\"
    ossl_bio.c: In function ‘ossl_obj2bio’:
    ossl_bio.c:26: error: called object ‘".rnd"’ is not a function
    ossl_bio.c:42: warning: implicit conversion shortens 64-bit value into a 32-bit value
    make[1]: *** [ossl_bio.o] Error 1
    make: *** [mkmain.sh] Error 1

Per other suggestions I tried adding export CC=/usr/bin/gcc-4.2 to my bashrc but that didn't solve the problem either.

Please help!

Make sure you have the latest xcode available (you'll need to update it if you're running a copy from snow leopard. Update RVM rvm get head and then try again.

I had problems compiling ree but 1.9.2 worked fine, you can try adding this function to .profile in your home directory, it'll compile with gcc (instead of the default LLVM)

# using_gcc for 64btt compiling on lion (solves compatability issues)
function using_gcc() {
  env CC="/usr/bin/gcc-4.2" ARCHFLAGS="-arch x86_64" ARCHS="x86_64" $*
}

Then run using_gcc rvm install 1.9.2

Shwanton

If you're running a fresh copy of Lion & Xcode 4.2, you're going to need to install the GCC 4.2 dev libraries first - they aren't included in a fresh Xcode 4.2 install.

Then pass the CC="/usr/bin/gcc-4.2" flag when installing your rvm.

Be sure to rvm remove any previous installation attempts first.

If you want to get rvm install ree with ruby 1.8.7 to work, this solved the problem for me:

# using_gcc for 32btt compiling on lion (solves compatability issues)
function using_gcc() {
  env CC="/usr/bin/gcc-4.2" ARCHFLAGS="-arch x86_32" ARCHS="x86_32" $*
}

#then

using_gcc rvm install ree

Basically just changing "64" to "32" in the other answer.

来源：https://stackoverflow.com/questions/6985690/problem-installing-ruby-1-9-2-on-mac-os-lion

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