Build system: Reorganize flags for system (installed) libraries

git-svn-id: svn://tug.org/texlive/trunk@36495 c570f23f-e606-0410-a88d-b1316a301751

2 files changed, 103 insertions, 25 deletions

diff --git a/Build/source/texk/musixtnt/Makefile.in b/Build/source/texk/musixtnt/Makefile.in
index 3e268a6d34b..547d3a9ff23 100644
--- a/Build/source/texk/musixtnt/Makefile.in
+++ b/Build/source/texk/musixtnt/Makefile.in
@@ -490,6 +490,7 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
+PKG_CONFIG = @PKG_CONFIG@
 RANLIB = @RANLIB@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
diff --git a/Build/source/texk/musixtnt/configure b/Build/source/texk/musixtnt/configure
index e94d521bc4d..32f12137647 100755
--- a/Build/source/texk/musixtnt/configure
+++ b/Build/source/texk/musixtnt/configure
@@ -641,6 +641,7 @@ KPATHSEA_RULE
 KPATHSEA_DEPEND
 KPATHSEA_LIBS
 KPATHSEA_INCLUDES
+PKG_CONFIG
 CPP
 LT_SYS_LIBRARY_PATH
 OTOOL64
@@ -776,8 +777,6 @@ with_sysroot
 enable_libtool_lock
 enable_largefile
 with_system_kpathsea
-with_kpathsea_includes
-with_kpathsea_libdir
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1438,11 +1437,8 @@ Optional Packages:
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
   --with-sysroot[=DIR]    Search for dependent libraries within DIR (or the
                           compiler's sysroot if not specified).
-  --with-system-kpathsea  use installed kpathsea headers and library
-  --with-kpathsea-includes=DIR
-                          kpathsea headers installed in DIR
-  --with-kpathsea-libdir=DIR
-                          kpathsea library installed in DIR
+  --with-system-kpathsea  use installed kpathsea headers and library (requires
+                          pkg-config)
 
 Some influential environment variables:
   CC          C compiler command
@@ -14813,29 +14809,110 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 ac_link="./libtool --mode=link --tag=CC $ac_link"
 
-## _KPSE_LIB_FLAGS: Setup kpathsea (-lkpathsea) flags
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_PKG_CONFIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$PKG_CONFIG"; then
+  ac_cv_prog_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_PKG_CONFIG="${ac_tool_prefix}pkg-config"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
 
-# Check whether --with-system-kpathsea was given.
-if test "${with_system_kpathsea+set}" = set; then :
-  withval=$with_system_kpathsea;
 fi
+fi
+PKG_CONFIG=$ac_cv_prog_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+$as_echo "$PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
 
-# Check whether --with-kpathsea-includes was given.
-if test "${with_kpathsea_includes+set}" = set; then :
-  withval=$with_kpathsea_includes;
 fi
+if test -z "$ac_cv_prog_PKG_CONFIG"; then
+  ac_ct_PKG_CONFIG=$PKG_CONFIG
+  # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_PKG_CONFIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_PKG_CONFIG"; then
+  ac_cv_prog_ac_ct_PKG_CONFIG="$ac_ct_PKG_CONFIG" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_PKG_CONFIG="pkg-config"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
 
-# Check whether --with-kpathsea-libdir was given.
-if test "${with_kpathsea_libdir+set}" = set; then :
-  withval=$with_kpathsea_libdir;
 fi
-if test "x$with_system_kpathsea" = xyes; then
-  if test "x$with_kpathsea_includes" != x && test "x$with_kpathsea_includes" != xyes; then
-  KPATHSEA_INCLUDES="-I$with_kpathsea_includes"
 fi
-KPATHSEA_LIBS="-lkpathsea"
-if test "x$with_kpathsea_libdir" != x && test "x$with_kpathsea_libdir" != xyes; then
-  KPATHSEA_LIBS="-L$with_kpathsea_libdir $KPATHSEA_LIBS"
+ac_ct_PKG_CONFIG=$ac_cv_prog_ac_ct_PKG_CONFIG
+if test -n "$ac_ct_PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_PKG_CONFIG" >&5
+$as_echo "$ac_ct_PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_PKG_CONFIG" = x; then
+    PKG_CONFIG="false"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    PKG_CONFIG=$ac_ct_PKG_CONFIG
+  fi
+else
+  PKG_CONFIG="$ac_cv_prog_PKG_CONFIG"
+fi
+
+## _KPSE_LIB_FLAGS: Setup kpathsea (-lkpathsea) flags
+
+# Check whether --with-system-kpathsea was given.
+if test "${with_system_kpathsea+set}" = set; then :
+  withval=$with_system_kpathsea;
+fi
+if test "x$with_system_kpathsea" = xyes; then
+  if $PKG_CONFIG kpathsea; then
+  KPATHSEA_INCLUDES=`$PKG_CONFIG kpathsea --cflags`
+  KPATHSEA_LIBS=`$PKG_CONFIG kpathsea --libs`
+elif test "x$need_kpathsea:$with_system_kpathsea" = xyes:yes; then
+  as_fn_error $? "did not find kpathsea" "$LINENO" 5
 fi
 else
   KPATHSEA_INCLUDES="-I$kpse_BLD/texk -I$kpse_SRC/texk"
@@ -14856,7 +14933,7 @@ else
   eval CPPFLAGS=\"$KPATHSEA_INCLUDES \$CPPFLAGS\"
 eval LIBS=\"$KPATHSEA_LIBS \$LIBS\"
 
-                 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <kpathsea/kpathsea.h>
 int
@@ -14874,7 +14951,7 @@ else
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-                 CPPFLAGS=$kpse_save_CPPFLAGS
+                CPPFLAGS=$kpse_save_CPPFLAGS
 LIBS=$kpse_save_LIBS
 
 fi