Shell Programming and Scripting

i'd like to execute a particular command if i'm running gcc version 3.2 for instance.

my approach is as follows:
GCC_VERSION := `gcc --version | head -1`

suppose the result of `gcc --version | head -1` was
gcc 3.2

then i'd like to perform the following:
ifeq ($(GCC_VERSION), "gcc 3.2")
...
endif

... i know the result of gcc --version is not as clean and elegant as "gcc 3.2", but just suppose it was -- in fact it's not even gcc that i want to do this for, but again suppose it was ... the ifeq doesn't work for me. any suggestions on how i can achieve what i'm attempting to do?

As far as I can understand, you are looking to run some statements if you have gcc 3.2.

On my machine, gcc --version | head -1 gives

Code:

gcc (GCC) 3.2.3 20030502 (Red Hat Linux 3.2.3-47)

Why dont you extract the 3.2.3 and then carry on with your make.

Your modified code would be

Code:

GCC_VERSION := `gcc --version | head -1 | awk -F" " '{ printf $3 }'`

which will print out

3.2.3

Your ifeq statements looks fine. For more help on ifeq see

http://www.gnu.org/software/make/man...er/make_7.html

You could also checkout findstring option available for makefile to check for the required gcc --version.

vino