From da00770799d03803d9961189285bd15d5c7c5c89 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Sun, 27 Apr 2025 02:21:20 +0000
Subject:  Add pkg-config support

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 tools/gen-deps.sh  |  17 +++++----
 tools/gen-dotpc.sh | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+), 7 deletions(-)
 create mode 100755 tools/gen-dotpc.sh

(limited to 'tools')

diff --git a/tools/gen-deps.sh b/tools/gen-deps.sh
index befe021..9e18eb1 100755
--- a/tools/gen-deps.sh
+++ b/tools/gen-deps.sh
@@ -61,20 +61,23 @@ for dir in $(ls -1 src | grep -v ^include) ; do
     deps=
     libs=
     while read dep ; do
-      if echo $dep | grep -q -e ^-l -e '^\${.*_LIB}' ; then
+      if echo $dep | grep -q -e '^-l' -e '^\${.*_LIB}' ; then
         libs="$libs $dep"
+      elif echo $dep | grep -q '^\${LIB' ; then
+        deps="$deps $dep"
       else
         deps="$deps src/$dir/$dep"
       fi
     done < src/$dir/deps-lib/$file
     echo 'ifeq ($(strip $(STATIC_LIBS_ARE_PIC)),)'
-    echo "lib${file}.a.xyzzy:$deps"
+    echo "lib${file}.a.xyzzy:${deps}"
     echo else
-    echo "lib${file}.a.xyzzy:$(echo "$deps" | sed 's/\.o/.lo/g')"
+    echo "lib${file}.a.xyzzy:$(echo ${deps} | sed 's/\.o/.lo/g')"
     echo endif
-    if grep -E "^LIB_DEFS [+:]=" package/targets.mak | grep -qF "$file" ; then
+    if grep -qE "^LIB_DEFS [+:]= .*=$file" package/targets.mak ; then
+      echo "lib${file}.pc: EXTRA_LIBS :=${libs}"
       echo "lib${file}.so.xyzzy: EXTRA_LIBS :=$libs"
-      echo "lib${file}.so.xyzzy:$(echo "$deps" | sed 's/\.o/.lo/g')"
+      echo "lib${file}.so.xyzzy:$(echo ${deps} | sed 's/\.o/.lo/g')"
     else
       internal_libs="$internal_libs lib${file}.a.xyzzy"
     fi
@@ -84,10 +87,10 @@ for dir in $(ls -1 src | grep -v ^include) ; do
     deps=
     libs=
     while read dep ; do
-      if echo $dep | grep -q -- \\.o$ ; then
+      if echo $dep | grep -q \\.o$ ; then
         dep="src/$dir/$dep"
       fi
-      if echo $dep | grep -q -e ^-l -e '^\${.*_LIB}' ; then
+      if echo $dep | grep -qx '\${.*_LIB}' ; then
         libs="$libs $dep"
       else
         deps="$deps $dep"
diff --git a/tools/gen-dotpc.sh b/tools/gen-dotpc.sh
new file mode 100755
index 0000000..63c8929
--- /dev/null
+++ b/tools/gen-dotpc.sh
@@ -0,0 +1,101 @@
+#!/bin/sh -e
+
+isunique () {
+  x=$1
+  set -- $2
+  while test "$#" -gt 0 ; do
+    if test "$x" = "$1" ; then
+      return 1
+    fi
+    shift
+  done
+  return 0
+}
+
+uniqit () {
+  res=
+  while test "$#" -gt 0 ; do
+    if isunique "$1" "$res" ; then
+      res="${res}${res:+ }${1}"
+    fi
+    shift
+  done
+  printf %s\\n "$res"
+}
+
+filterout () {
+  res=
+  filter="$1"
+  shift
+  while test "$#" -gt 0 ; do
+    if isunique "$1" "$filter" ; then
+      res="${res}${res:+ }${1}"
+    fi
+    shift
+  done
+  printf %s\\n "$res"
+}
+
+print_requires () {
+  line=
+  oldifs="$IFS"
+  while IFS=" 	" read condvar usedinlibs pkg ver libs ; do
+    IFS="$oldifs"
+    for h ; do
+      i=lib${h##-l}
+      for j in $libs ; do
+        if test "$i" = "$j" ; then
+          line="${line}${line:+, }${i} >= ${ver}"
+        fi
+      done
+    done
+  done < package/deps-build
+  IFS="$oldifs"
+  echo "Requires: $line"
+}
+
+. package/info
+
+ilist=
+dlist=
+slist=
+
+if test "${includedir}" != /usr/include ; then
+  ilist="-I${includedir}"
+fi
+if test -n "${extra_includedirs}" ; then
+  ilist="${ilist}${ilist:+ }${extra_includedirs}"
+fi
+ilist=`uniqit ${ilist}`
+
+if test "${dynlibdir}" != /usr/lib && test "${dynlibdir}" != /lib ; then
+  dlist="-L${dynlibdir}"
+fi
+
+if test "${libdir}" != /usr/lib && test "${libdir}" != /lib ; then
+ slist="-L${libdir}"
+fi
+if test -n "${extra_libdirs}" ; then
+  slist="${slist}${slist:+ }${extra_libdirs}"
+fi
+slist="$(filterout "${dlist}" $(uniqit ${slist}))"
+
+echo "prefix=${prefix}"
+echo "includedir=${includedir}"
+echo "libdir=${libdir}"
+echo "dynlibdir=${dynlibdir}"
+echo
+echo "Name: ${library}"
+echo "Version: ${version}"
+echo "Description: ${description:-The ${library} library.}"
+echo "URL: ${url:-https://skarnet.org/software/${package}/}"
+if test -n "${extra_libs}" ; then
+  print_requires ${extra_libs}
+fi
+if test -n "$ilist" ; then
+  echo "Cflags: ${ilist}"
+fi
+echo "Libs: ${dlist}${dlist:+ }-l${library}${ldlibs:+ }${ldlibs}"
+if test -n "${extra_libs}" ; then
+  echo "Libs.private: ${slist}${slist:+ }${extra_libs}"
+fi
-- 
cgit v1.3.1