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[libxml2] Use AM_CFLAGS and AM_LDFLAGS consistently

commit 513d65fee8e487e347ce7b870cd8da360205619d
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Fri Sep 2 16:45:06 2022 +0200

    Use AM_CFLAGS and AM_LDFLAGS consistently

 CMakeLists.txt     |  4 ++--
 Makefile.am        | 27 ++++++---------------------
 configure.ac       | 55 +++++++++++++++++++++++++-----------------------------
 fuzz/Makefile.am   | 12 ++++++------
 python/Makefile.am |  4 ++--
 5 files changed, 41 insertions(+), 61 deletions(-)
---
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e290fabb..9762e6af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -399,7 +399,7 @@ endif()
 
 if(WIN32)
        target_link_libraries(LibXml2 PRIVATE ws2_32)
-       set(WIN32_EXTRA_LIBADD "-lws2_32")
+       set(WINSOCK_LIBS "-lws2_32")
 endif()
 
 if(LIBXML2_WITH_ICONV)
@@ -647,7 +647,7 @@ endif()
 set(XML_INCLUDEDIR "-I\${includedir}/libxml2")
 set(XML_LIBDIR "-L\${libdir}")
 set(XML_LIBS "-lxml2")
-set(XML_PRIVATE_LIBS "${Z_LIBS} ${LZMA_LIBS} ${THREAD_LIBS} ${ICONV_LIBS} ${ICU_LIBS} ${LIBM} 
${WIN32_EXTRA_LIBADD}")
+set(XML_PRIVATE_LIBS "${Z_LIBS} ${LZMA_LIBS} ${THREAD_LIBS} ${ICONV_LIBS} ${ICU_LIBS} ${LIBM} 
${WINSOCK_LIBS}")
 
 file(RELATIVE_PATH PACKAGE_RELATIVE_PATH "${CMAKE_INSTALL_FULL_LIBDIR}/pkgconfig" "${CMAKE_INSTALL_PREFIX}")
 string(REGEX REPLACE "/$" "" PACKAGE_RELATIVE_PATH "${PACKAGE_RELATIVE_PATH}")
diff --git a/Makefile.am b/Makefile.am
index 746c119c..69784fe7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,8 +11,6 @@ DIST_SUBDIRS = include . doc example fuzz python xstc
 
 AM_CPPFLAGS = -I$(top_builddir)/include -I$(srcdir)/include -DSYSCONFDIR='"$(sysconfdir)"'
 
-AM_CFLAGS = $(EXTRA_CFLAGS)
-
 check_PROGRAMS = \
        runsuite \
        runtest \
@@ -34,7 +32,7 @@ lib_LTLIBRARIES = libxml2.la
 libxml2_la_CFLAGS = $(AM_CFLAGS) $(XML_PRIVATE_CFLAGS)
 libxml2_la_LIBADD = $(XML_PRIVATE_LIBS)
 
-libxml2_la_LDFLAGS = $(CYGWIN_EXTRA_LDFLAGS) $(WIN32_EXTRA_LDFLAGS) \
+libxml2_la_LDFLAGS = $(AM_LDFLAGS) \
                     -version-info $(LIBXML_VERSION_INFO) \
                     $(MODULE_PLATFORM_LIBS)
 if USE_VERSION_SCRIPT
@@ -120,66 +118,56 @@ m4datadir = $(datadir)/aclocal
 dist_m4data_DATA = libxml.m4
 
 runtest_SOURCES=runtest.c
-runtest_CFLAGS = $(EXTRA_CFLAGS) $(THREAD_CFLAGS)
-runtest_LDFLAGS = 
+runtest_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
 runtest_DEPENDENCIES = $(DEPS)
 runtest_LDADD= $(BASE_THREAD_LIBS) $(THREAD_LIBS) $(LDADDS)
 
 testrecurse_SOURCES=testrecurse.c
-testrecurse_LDFLAGS = 
 testrecurse_DEPENDENCIES = $(DEPS)
 testrecurse_LDADD= $(LDADDS)
 
 testlimits_SOURCES=testlimits.c
-testlimits_LDFLAGS = 
 testlimits_DEPENDENCIES = $(DEPS)
 testlimits_LDADD= $(LDADDS)
 
 testchar_SOURCES=testchar.c
-testchar_LDFLAGS = 
 testchar_DEPENDENCIES = $(DEPS)
 testchar_LDADD= $(LDADDS)
 
 testdict_SOURCES=testdict.c
-testdict_LDFLAGS = 
 testdict_DEPENDENCIES = $(DEPS)
 testdict_LDADD= $(LDADDS)
 
 runsuite_SOURCES=runsuite.c
-runsuite_LDFLAGS = 
 runsuite_DEPENDENCIES = $(DEPS)
 runsuite_LDADD= $(LDADDS)
 
 xmllint_SOURCES=xmllint.c
 xmllint_CFLAGS = $(AM_CFLAGS) $(RDL_CFLAGS)
-xmllint_LDFLAGS = 
 xmllint_DEPENDENCIES = $(DEPS)
 xmllint_LDADD=  $(RDL_LIBS) $(LDADDS)
 
 xmlcatalog_SOURCES=xmlcatalog.c
-xmlcatalog_LDFLAGS = 
 xmlcatalog_DEPENDENCIES = $(DEPS)
 xmlcatalog_LDADD = $(RDL_LIBS) $(LDADDS)
 
 testThreads_SOURCES = testThreads.c
-testThreads_CFLAGS = $(EXTRA_CFLAGS) $(THREAD_CFLAGS)
-testThreads_LDFLAGS = 
+testThreads_CFLAGS = $(AM_CFLAGS) $(THREAD_CFLAGS)
 testThreads_DEPENDENCIES = $(DEPS)
 testThreads_LDADD= $(BASE_THREAD_LIBS) $(THREAD_LIBS) $(LDADDS)
 
 testAutomata_SOURCES=testAutomata.c
-testAutomata_LDFLAGS = 
 testAutomata_DEPENDENCIES = $(DEPS)
 testAutomata_LDADD= $(LDADDS)
 
 testModule_SOURCES=testModule.c
-testModule_LDFLAGS = 
 testModule_DEPENDENCIES = $(DEPS)
 testModule_LDADD= $(LDADDS)
 
 noinst_LTLIBRARIES = testdso.la
 testdso_la_SOURCES = testdso.c
-testdso_la_LDFLAGS = -module -no-undefined -avoid-version -rpath $(libdir)
+testdso_la_LDFLAGS = $(AM_LDFLAGS) \
+                    -module -no-undefined -avoid-version -rpath $(libdir)
 
 # that one forces the rebuild when "make rebuild" is run on doc/
 rebuild_testapi:
@@ -187,17 +175,14 @@ rebuild_testapi:
            $(PYTHON) $(srcdir)/gentest.py $(srcdir) ; fi )
 
 testapi_SOURCES=testapi.c
-testapi_LDFLAGS = 
 testapi_DEPENDENCIES = $(DEPS)
 testapi_LDADD= $(LDADDS)
 
 runxmlconf_SOURCES=runxmlconf.c
-runxmlconf_LDFLAGS = 
 runxmlconf_DEPENDENCIES = $(DEPS)
 runxmlconf_LDADD= $(LDADDS)
 
 #testOOM_SOURCES=testOOM.c testOOMlib.h testOOMlib.c
-#testOOM_LDFLAGS = 
 #testOOM_DEPENDENCIES = $(DEPS)
 #testOOM_LDADD= $(LDADDS)
 
@@ -497,7 +482,7 @@ LCOV = /usr/bin/lcov
 GENHTML = /usr/bin/genhtml
 
 cov: clean-cov
-       if [ "`echo $(LDFLAGS) | grep coverage`" = "" ] ; then \
+       if [ "`echo $(AM_LDFLAGS) | grep coverage`" = "" ] ; then \
            echo not configured with coverage; exit 1 ; fi
        if [ ! -x $(LCOV) -o ! -x $(GENHTML) ] ; then \
            echo Need $(LCOV) and $(GENHTML) excecutables; exit 1 ; fi
diff --git a/configure.ac b/configure.ac
index b8c4bc78..efd164eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -526,41 +526,35 @@ AM_CONDITIONAL([USE_VERSION_SCRIPT], [test -n "$VERSION_SCRIPT_FLAGS"])
 dnl
 dnl Windows compiler flags
 dnl
-WIN32_EXTRA_LIBADD=
-WIN32_EXTRA_LDFLAGS=
-CYGWIN_EXTRA_LDFLAGS=
-CYGWIN_EXTRA_PYTHON_LIBADD=
-WIN32_EXTRA_PYTHON_LIBADD=
+EXTRA_PYTHON_LIBADD=
 case "$host" in
  *-*-mingw*)
- WIN32_EXTRA_LIBADD="-lws2_32"
- WIN32_EXTRA_LDFLAGS="-no-undefined"
+ if test "$with_http" != "no" || test "$with_ftp" != "no"; then
+   WINSOCK_LIBS="-lws2_32"
+ fi
+ AM_LDFLAGS="$AM_LDFLAGS -no-undefined"
  if test "${PYTHON}" != ""
  then
    case "$host" in
      *-w64-mingw*)
-       WIN32_EXTRA_PYTHON_LIBADD="-shrext .pyd -L${pythondir}/../../lib -lpython${PYTHON_VERSION}"
+       EXTRA_PYTHON_LIBADD="-shrext .pyd -L${pythondir}/../../lib -lpython${PYTHON_VERSION}"
        ;;
      *)
-       WIN32_EXTRA_PYTHON_LIBADD="-L${pythondir}/../../libs -lpython$(echo ${PYTHON_VERSION} | tr -d .)"
+       EXTRA_PYTHON_LIBADD="-L${pythondir}/../../libs -lpython$(echo ${PYTHON_VERSION} | tr -d .)"
        ;;
    esac
  fi
  ;;
  *-*-cygwin*)
- CYGWIN_EXTRA_LDFLAGS="-no-undefined"
+ AM_LDFLAGS="$AM_LDFLAGS -no-undefined"
  if test "${PYTHON}" != ""
  then
-   CYGWIN_EXTRA_PYTHON_LIBADD="-L/usr/lib/python${PYTHON_VERSION}/config -lpython${PYTHON_VERSION}"
+   EXTRA_PYTHON_LIBADD="-L/usr/lib/python${PYTHON_VERSION}/config -lpython${PYTHON_VERSION}"
  fi
  ;;
 esac
 
-AC_SUBST(WIN32_EXTRA_LIBADD)
-AC_SUBST(WIN32_EXTRA_LDFLAGS)
-AC_SUBST(WIN32_EXTRA_PYTHON_LIBADD)
-AC_SUBST(CYGWIN_EXTRA_LDFLAGS)
-AC_SUBST(CYGWIN_EXTRA_PYTHON_LIBADD)
+AC_SUBST(EXTRA_PYTHON_LIBADD)
 
 dnl
 dnl Workaround for native compilers
@@ -570,13 +564,13 @@ dnl
 if test "${GCC}" != "yes" ; then
     case "${host}" in
           hppa*-*-hpux* )
-              EXTRA_CFLAGS="${EXTRA_CFLAGS} -Wp,-H30000"
+              AM_CFLAGS="${AM_CFLAGS} -Wp,-H30000"
               ;;
           *-dec-osf* )
-               EXTRA_CFLAGS="${EXTRA_CFLAGS} -ieee"
+               AM_CFLAGS="${AM_CFLAGS} -ieee"
                ;;
          alpha*-*-linux* )
-              EXTRA_CFLAGS="${EXTRA_CFLAGS} -ieee"
+              AM_CFLAGS="${AM_CFLAGS} -ieee"
               ;;
     esac
 else
@@ -586,19 +580,19 @@ else
        # Not activated by default because this inflates the code size
        # Used to allow propagation of C++ exceptions through the library
        #
-       EXTRA_CFLAGS="${EXTRA_CFLAGS} -fexceptions"
+       AM_CFLAGS="${AM_CFLAGS} -fexceptions"
     fi
 
     # warnings we'd like to see
-    EXTRA_CFLAGS="${EXTRA_CFLAGS} -pedantic -Wall -Wextra -Wshadow -Wpointer-arith -Wcast-align 
-Wwrite-strings -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline"
+    AM_CFLAGS="${AM_CFLAGS} -pedantic -Wall -Wextra -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings 
-Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline"
     # warnings we'd like to suppress
-    EXTRA_CFLAGS="${EXTRA_CFLAGS} -Wno-long-long -Wno-format-extra-args"
+    AM_CFLAGS="${AM_CFLAGS} -Wno-long-long -Wno-format-extra-args"
     case "${host}" in
           alpha*-*-linux* )
-              EXTRA_CFLAGS="${EXTRA_CFLAGS} -mieee"
+              AM_CFLAGS="${AM_CFLAGS} -mieee"
               ;;
          alpha*-*-osf* )
-              EXTRA_CFLAGS="${EXTRA_CFLAGS} -mieee"
+              AM_CFLAGS="${AM_CFLAGS} -mieee"
               ;;
     esac
 fi
@@ -611,13 +605,13 @@ case ${host} in
        ;;
     *-*-mingw* | *-*-cygwin* | *-*-msvc* )
         # If the host is Windows, and shared libraries are disabled, we
-        # need to add -DLIBXML_STATIC to EXTRA_CFLAGS in order for linking to
+        # need to add -DLIBXML_STATIC to AM_CFLAGS in order for linking to
         # work properly (without it, xmlexports.h would force the use of
         # DLL imports, which obviously aren't present in a static
         # library).
         if test "x$enable_shared" = "xno"; then
             XML_CFLAGS="$XML_CFLAGS -DLIBXML_STATIC"
-            EXTRA_CFLAGS="$EXTRA_CFLAGS -DLIBXML_STATIC"
+            AM_CFLAGS="$AM_CFLAGS -DLIBXML_STATIC"
         fi
         ;;
 esac
@@ -1225,18 +1219,19 @@ AC_SUBST(WITH_ICU)
 if test "$with_coverage" = "yes" && test "${GCC}" = "yes"
 then
     echo Enabling code coverage for GCC
-    EXTRA_CFLAGS="$EXTRA_CFLAGS -fprofile-arcs -ftest-coverage"
-    LDFLAGS="$LDFLAGS -fprofile-arcs -ftest-coverage"
+    AM_CFLAGS="$AM_CFLAGS -fprofile-arcs -ftest-coverage"
+    AM_LDFLAGS="$AM_LDFLAGS -fprofile-arcs -ftest-coverage"
 else
     echo Disabling code coverage for GCC
 fi
 
 XML_LIBS="-lxml2"
 XML_LIBTOOLLIBS="libxml2.la"
-XML_PRIVATE_LIBS="$Z_LIBS $LZMA_LIBS $THREAD_LIBS $ICONV_LIBS $ICU_LIBS $LIBM $WIN32_EXTRA_LIBADD"
+XML_PRIVATE_LIBS="$Z_LIBS $LZMA_LIBS $THREAD_LIBS $ICONV_LIBS $ICU_LIBS $LIBM $WINSOCK_LIBS"
 XML_PRIVATE_CFLAGS="$Z_CFLAGS $LZMA_CFLAGS $THREAD_CFLAGS $ICONV_CFLAGS $ICU_CFLAGS"
 
-AC_SUBST(EXTRA_CFLAGS)
+AC_SUBST(AM_CFLAGS)
+AC_SUBST(AM_LDFLAGS)
 AC_SUBST(XML_CFLAGS)
 
 AC_SUBST(XML_LIBDIR)
diff --git a/fuzz/Makefile.am b/fuzz/Makefile.am
index 6d598167..61bfc888 100644
--- a/fuzz/Makefile.am
+++ b/fuzz/Makefile.am
@@ -49,7 +49,7 @@ seed/xml.stamp: genSeed$(EXEEXT)
        @touch seed/xml.stamp
 
 xml_SOURCES = xml.c fuzz.c
-xml_LDFLAGS = -fsanitize=fuzzer
+xml_LDFLAGS = $(AM_LDFLAGS) -fsanitize=fuzzer
 
 fuzz-xml: xml$(EXEEXT) seed/xml.stamp
        @mkdir -p corpus/xml
@@ -67,7 +67,7 @@ seed/html.stamp: genSeed$(EXEEXT)
        @touch seed/html.stamp
 
 html_SOURCES = html.c fuzz.c
-html_LDFLAGS = -fsanitize=fuzzer
+html_LDFLAGS = $(AM_LDFLAGS) -fsanitize=fuzzer
 
 fuzz-html: html$(EXEEXT) seed/html.stamp
        @mkdir -p corpus/html
@@ -85,7 +85,7 @@ seed/regexp.stamp:
        @touch seed/regexp.stamp
 
 regexp_SOURCES = regexp.c fuzz.c
-regexp_LDFLAGS = -fsanitize=fuzzer
+regexp_LDFLAGS = $(AM_LDFLAGS) -fsanitize=fuzzer
 
 fuzz-regexp: regexp$(EXEEXT)
        @mkdir -p corpus/regexp
@@ -103,7 +103,7 @@ seed/uri.stamp:
        @touch seed/uri.stamp
 
 uri_SOURCES = uri.c fuzz.c
-uri_LDFLAGS = -fsanitize=fuzzer
+uri_LDFLAGS = $(AM_LDFLAGS) -fsanitize=fuzzer
 
 fuzz-uri: uri$(EXEEXT)
        @mkdir -p corpus/uri
@@ -120,7 +120,7 @@ seed/schema.stamp: genSeed$(EXEEXT)
        @touch seed/schema.stamp
 
 schema_SOURCES = schema.c fuzz.c
-schema_LDFLAGS = -fsanitize=fuzzer
+schema_LDFLAGS = $(AM_LDFLAGS) -fsanitize=fuzzer
 
 fuzz-schema: schema$(EXEEXT) seed/schema.stamp
        @mkdir -p corpus/schema
@@ -138,7 +138,7 @@ seed/xpath.stamp: genSeed$(EXEEXT)
        @touch seed/xpath.stamp
 
 xpath_SOURCES = xpath.c fuzz.c
-xpath_LDFLAGS = -fsanitize=fuzzer
+xpath_LDFLAGS = $(AM_LDFLAGS) -fsanitize=fuzzer
 
 fuzz-xpath: xpath$(EXEEXT) seed/xpath.stamp
        @mkdir -p corpus/xpath
diff --git a/python/Makefile.am b/python/Makefile.am
index 3184f33f..d9f909e9 100644
--- a/python/Makefile.am
+++ b/python/Makefile.am
@@ -20,8 +20,8 @@ pyexec_LTLIBRARIES = libxml2mod.la
 
 libxml2mod_la_SOURCES = libxml.c libxml_wrap.h types.c
 nodist_libxml2mod_la_SOURCES = libxml2-py.h libxml2-py.c
-libxml2mod_la_LDFLAGS = $(CYGWIN_EXTRA_LDFLAGS) $(WIN32_EXTRA_LDFLAGS) -module -avoid-version
-libxml2mod_la_LIBADD = $(top_builddir)/libxml2.la $(CYGWIN_EXTRA_PYTHON_LIBADD) $(WIN32_EXTRA_PYTHON_LIBADD) 
$(PYTHON_LIBS)
+libxml2mod_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version
+libxml2mod_la_LIBADD = $(top_builddir)/libxml2.la $(EXTRA_PYTHON_LIBADD) $(PYTHON_LIBS)
 
 BUILT_SOURCES = libxml2-export.c libxml2-py.h libxml2-py.c
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