zygo

commit a8b1844f2fb55c57dc179ef1bf6967e2012e3a7d
parent a661e29f3bc5c3106f36f03e217bc24482d437d2
Author: hhvn <dev@hhvn.uk>
Date:   Sun, 16 Jan 2022 13:07:22 +0000

Makefile configure: use configure script

Diffstat:
M
Makefile
 | 
2
+-
D
config.mk
 | 
12
------------
A
configure
 | 
57
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++

3 files changed, 58 insertions(+), 13 deletions(-)
diff --git a/Makefile b/Makefile
@@ -23,7 +23,7 @@ include config.mk
 $(BIN): $(OBJ)
 	$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(OBJ)
 
-$(OBJ): Makefile zygo.h
+$(OBJ): Makefile config.mk zygo.h
 
 .c.o:
 	$(CC) $(CFLAGS) -c $< -o $@
diff --git a/config.mk b/config.mk
@@ -1,12 +0,0 @@
-# Public domain
-
-# debug
-# CFLAGS += -g3 -O0 -DDEBUG
-# SRC += debug.c
-
-# tls
-LDFLAGS += -ltls
-SRC += tls.c
-
-# plain
-# SRC += plain.c
diff --git a/configure b/configure
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+CC=${CC:-cc}
+
+trap "rm -f test.c test" EXIT
+echo "# Generated by configure" > config.mk
+
+printf '%s' "checking for libtls... "
+cat > test.c <<- EOF
+	#include <tls.h>
+	int main(void) { return 0; }
+EOF
+${CC} -ltls -o test test.c >/dev/null 2>/dev/null && {
+	printf '%s\n' "yes"
+	cat >> config.mk <<- EOF
+		# libretls or libtls (standalone tls.h implementation) configuration
+		LDFLAGS	+= -ltls
+		SRC	+= tls.c
+	EOF
+} || {
+	printf '%s\n' "no"
+	cat >> config.mk <<- EOF
+		# no TLS configured
+		# install libretls or libtls (standalone tls.h implementation) for TLS
+		SRC	+= plain.c
+	EOF
+}
+
+printf '%s' "checking for libtinfow... "
+cat > test.c <<- EOF
+	#include <ncurses.h>
+	int main(void) { return 0; }
+EOF
+${CC} -ltinfow -o test test.c >/dev/null 2>/dev/null && {
+	printf '%s\n' "yes"
+	hastinfow=1
+} || {
+	printf '%s\n' "no"
+	hastinfow=0
+}
+
+[ $hastinfow -eq 1 ] && {
+	printf '%s' "should link with libtinfow... "
+	cat > test.c <<- EOF
+		#include <ncurses.h>
+		int main(void) { initscr(); endwin(); return 0; }
+	EOF
+	${CC} -ltinfow -o test test.c >/dev/null 2>/dev/null && ./test >/dev/null 2>/dev/null && {
+		printf '%s\n' "yes"
+		cat >> config.mk <<- EOF
+			# linking with tinfow
+			# on some systems both ncursesw and tinfow must be linked
+			# otherwise, thank ncurses for the nondescript segfault in initscr()...
+			LDFLAGS += -ltinfow
+		EOF
+	} || printf '%s\n' "no"
+}