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Simplify and clarify example

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
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Joachim Nilsson
2017-12-27 14:01:54 +01:00
parent 791508a3a1
commit 5be965deec
1 changed files with 25 additions and 13 deletions
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README.md
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@@ -70,39 +70,51 @@ availble in the source tree.
}
```
3. Compile the example, either by hard-coding the paths to the include
file and the library:
3. Compile the example:
cd ~/src/
make LDLIBS=-leditline example
In this example I use `make` and rely on its implicit (built-in) rules
to handle all the magic with `gcc`, but you may want to create your own
Makefile for the project. In particular if you don't change the default
prefix (above), because then you need to specify the search path for the
include file(s) and the library manually. A simple `~/src/Makefile`:
Here I use `make` and rely on its implicit (built-in) rules to handle
all the compiler magic, but you may want to create your own Makefile for
the project. In particular if you don't change the default prefix
(above), because then you need to specify the search path for the
include file(s) and the library manually.
A simple `~/src/Makefile` could look like this:
CFLAGS = -I/usr/local/include
LDFLAGS = -L/usr/local/lib
LDLIBS = -leditline
EXEC = example
OBJS = example.o
all: example
all: $(EXEC)
$(EXEC): $(OBJS)
clean:
$(RM) $(OBJS) $(EXEC)
distclean: clean
$(RM) *.o *~ *.bak
Then simply type `make` from your `~/src/` directory. You can also use
`pkg-config` for your `~/src/Makefile`:
`pkg-config` for your `~/src/Makefile`, replace the following lines:
CFLAGS = $(shell pkg-config --cflags libeditline)
LDFLAGS = $(shell pkg-config --libs-only-L libeditline)
LDLIBS = $(shell pkg-config --libs-only-l libeditline)
all: example
Then simply type <kbd>make</kbd>, like above.
Then simply type <kbd>make</kbd>, like above. However, in most `.rpm`
based distributions `pkg-config` doesn't search in `/usr/local` anymore,
so you need to call make like this:
However, most `.rpm` based distributions `pkg-config` doesn't search in
`/usr/local` anymore, so you need to call make like this:
PKG_CONFIG_LIBDIR=/usr/local/lib/pkgconfig make
Debian/Ubuntu based systems do not have this problem.
API
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