From 7c7b424ad06d0794499a192d00d3cb4e09a11bb2 Mon Sep 17 00:00:00 2001
From: "B. Watson" <yalhcru@gmail.com>
Date: Wed, 25 Nov 2020 21:52:48 -0500
Subject: mkslackinfo: try to intuit correct build command

---
 mkslackinfo | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 83 insertions(+), 8 deletions(-)

diff --git a/mkslackinfo b/mkslackinfo
index c4d99ce..0f37b49 100755
--- a/mkslackinfo
+++ b/mkslackinfo
@@ -17,6 +17,79 @@ sub usage {
 	die "usage: $SELF url [homepage] [version]\n";
 }
 
+sub get_build_command {
+	%buildcmds = {
+		'autoconf' => <<'EOF',
+CFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS" \
+./configure \
+  --prefix=/usr \
+  --libdir=/usr/lib${LIBDIRSUFFIX} \
+  --sysconfdir=/etc \
+  --localstatedir=/var \
+  --mandir=/usr/man \
+  --docdir=/usr/doc/$PRGNAM-$VERSION \
+  --build=$ARCH-slackware-linux
+
+make
+make install-strip DESTDIR=$PKG
+EOF
+		'cmake' => <<'EOF',
+mkdir -p build
+cd build
+  cmake \
+    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
+    -DMAN_INSTALL_DIR=/usr/man \
+    -DCMAKE_BUILD_TYPE=Release ..
+  make
+  make install DESTDIR=$PKG
+cd ..
+EOF
+		'python' => <<'EOF',
+python setup.py install --root=$PKG
+EOF
+		'perl' => <<'EOF',
+perl Makefile.PL \
+  PREFIX=/usr \
+  INSTALLDIRS=vendor \
+  INSTALLVENDORMAN3DIR=/usr/man/man3
+make
+make test
+make install DESTDIR=$PKG
+EOF
+	};
+
+	my $cmd = $buildcmd{autoconf};
+	# if it ain't a tar file, just return the default
+	return $cmd unless $tar;
+
+	my ($file, $tar) = @_;
+
+	# look only at the 2nd level dir (e.g. foo-1.2.3/configure.ac)
+	open my $f, "tar tf $file --wildcards */* |" or return $cmd;
+	while(<$f>) {
+		chomp;
+		if(/^\bconfigure\.(ac|in)$/) {
+			$cmd = $buildcmd{autoconf};
+			last;
+		} elsif(/\bCMakeLists\.txt$/) {
+			$cmd = $buildcmd{cmake};
+			last;
+		} elsif(/\bsetup\.py$/) {
+			$cmd = $buildcmd{python};
+			last;
+		} elsif(/\bMakefile\.PL$/) {
+			$cmd = $buildcmd{python};
+			last;
+		}
+	}
+	close $f;
+	return $cmd;
+}
+
 $url = shift || &usage;
 
 # Take package name from the current dir
@@ -35,6 +108,9 @@ if($file =~ /\.zip$/i) {
 	$extract = "7za x \$CWD/\$PRGNAM-\$VERSION.rar";
 } elsif($file =~ /(\.tar(?:$|\..*)|\.t[bxg]z)/i) {
 	$extract = "tar xvf \$CWD/\$PRGNAM-\$VERSION$1";
+	$tar = 1;
+} else {
+	$extract = "EXTRACT";
 }
 
 $homepage = shift;
@@ -63,6 +139,7 @@ if(!$version) {
 
 if(not -e "$package.SlackBuild") {
 	warn "$package.SlackBuild does not exist, creating from template\n";
+	$buildcmd = get_build_command($file, $tar);
 	open my $build, ">$package.SlackBuild" or die $!;
 	while(<DATA>) {
 		s/__NAME__/$name/g;
@@ -70,6 +147,7 @@ if(not -e "$package.SlackBuild") {
 		s/__PRGNAM__/$package/g;
 		s/__VERSION__/$version/g;
 		s/__EXTRACT__/$extract/g;
+		s/__BUILD__/$buildcmd/g;
 		print $build "$_";
 	}
 	close $build;
@@ -132,7 +210,7 @@ TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$( uname -m ) ;;
   esac
@@ -143,8 +221,8 @@ TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
-if [ "$ARCH" = "i486" ]; then
-  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
   LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
@@ -166,11 +244,8 @@ rm -rf $PRGNAM-$VERSION
 __EXTRACT__
 cd $PRGNAM-$VERSION
 chown -R root:root .
-find -L . \
- \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-  -o -perm 511 \) -exec chmod 755 {} \; -o \
- \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
- -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
+        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+
 
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
-- 
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