On 17/02/14 17:53, Michael Van Canneyt wrote:
On Mon, 17 Feb 2014, patspiper wrote:
On 17/02/14 17:13, Michael Van Canneyt wrote:
On Mon, 17 Feb 2014, patspiper wrote:
On 17/02/14 16:45, Mattias Gaertner wrote:
On Mon, 17 Feb 2014 15:10:03 +0100 (CET)
Michael Van Canneyt <[email protected]> wrote:
On Mon, 17 Feb 2014, Mattias Gaertner wrote:
[...]
Is there already a doc about how to install multiple versions of
fpc?
No, because
a) There are so many ways to do it
b) There are so many platforms.
I prefer to document the possibilities and let the user figure
out for himself what works best.
That's definitely a good thing.
The next step would be to create an example. I guess a common
setup is
the latest release and trunk.
Let's say I start such a page.
Then I would explain the two common setups
The clean approach:
1.1. read Michael's docs
1.2. install the latest released compiler
1.3. download the trunk sources, compile it
1.4. "make install INSTALL_PREFIX=~/fpc/2.7.1"
1.5. setup a fpc.cfg (~/fpc/2.7.1/lib/etc/fpc.cfg), add
-FD~/fpc/2.7.1/bin and adapt the -Fu lines.
Then you can select the 2.6.2 via /usr/bin/fpc or the 2.7.1 via
~/fpc/2.7.1/lib/2.7.1/ppcx86.
Calling ppcxxx directly breaks easy cross compilation using build
modes.
Not if the IDE is aware of this.
Yes, but that would mean extra coding in the IDE just to duplicate
fpc functionality. It will probably add as well the burden of
maintenance whenever new targets are added to fpc.
I agree that the best option would be to use the -V and -P options of
fpc.
I am not so keen on using -V as it requires extra steps to be done
beyond fpc's 'make install'. On the other hand, -Xp can handle vanilla
make installs (based on the "clean approach"). Moreover, I prefer not to
use the same bin folder for executables from different versions, and
have instead completely separate top folders.
But, for this, it would be best if fpc can list the available versions
and architectures/cross-compilers.
+1
On a side note, for 2.7.1, 'fpc -h' shows the -V and -Xp options whereas
'fpc' alone (requires the pressing of <enter> to view successive pages)
does not.
Stephano
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