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Improve portability of Makefile

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Sami Samhuri 2022-01-16 00:24:26 -08:00
parent 7f95910a9c
commit 421f3f981e
3 changed files with 24 additions and 5 deletions
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2
.gitignore vendored Normal file
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@ -0,0 +1,2 @@
*.o
a1

10
Makefile
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@ -1,13 +1,13 @@
CFLAGS = -Wall -g CFLAGS = -Wall -g
CPPFLAGS = -I/usr/local/opt/readline/include CPPFLAGS = -I$(shell ./dependency-dir)/readline/include
LDFLAGS = -L/usr/local/opt/readline/lib LDFLAGS = -L$(shell ./dependency-dir)/readline/lib
OBJS = utils.o builtins.o exec.o jobs.o main.o OBJS = utils.o builtins.o exec.o jobs.o main.o
all: a1 all: a1
a1: $(OBJS) a1: $(OBJS)
$(CC) $(CFLAGS) -o a1 $(OBJS) $(LDFLAGS) -lreadline -lhistory -ltermcap $(CC) $(CFLAGS) -o a1 $(OBJS) $(LDFLAGS) -lreadline -lhistory -ltermcap
clean: clean:
rm -rf $(OBJS) a1 rm -rf $(OBJS) a1

17
dependency-dir Executable file
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@ -0,0 +1,17 @@
#!/bin/sh
if [[ $(uname -s) = Darwin ]]; then
if command -v brew >/dev/null 2>/dev/null; then
echo $(brew --prefix)/opt
elif [[ -x /opt/homebrew/bin/brew ]]; then
echo $(/opt/homebrew/bin/brew -- prefix)/opt
elif [[ -x $HOME/homebrew/bin/brew ]]; then
echo $($HOME/homebrew/bin/brew --prefix)/opt
elif [[ -x /usr/local/bin/brew ]]; then
echo $(/usr/local/bin/brew --prefix)/opt
else
echo /usr/local
fi
else
echo /usr
fi