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authorng0 <ng0@n0.is>2019-05-26 23:42:52 +0000
committerng0 <ng0@n0.is>2019-05-26 23:42:52 +0000
commited495e4214e7e81e004bd48d49e4c56cad287101 (patch)
treebdc2ce9c15cde87bb29638a440ccad3099887a28 /m4
parent4e586659d146fd7d571d22cf066445a7679016f4 (diff)
configure: improvements (mainly: detects libzbar with passing --with-libzbar).
The m4 scripts so far originated from gst-plugins-bad.
Diffstat (limited to 'm4')
-rw-r--r--m4/as-auto-alt.m450
-rw-r--r--m4/check-libheader.m440
2 files changed, 90 insertions, 0 deletions
diff --git a/m4/as-auto-alt.m4 b/m4/as-auto-alt.m4
new file mode 100644
index 000000000..3f7920dd2
--- /dev/null
+++ b/m4/as-auto-alt.m4
@@ -0,0 +1,50 @@
+dnl as-auto-alt.m4 0.0.2
+dnl autostars m4 macro for supplying alternate autotools versions to configure
+dnl thomas@apestaart.org
+dnl
+dnl AS_AUTOTOOLS_ALTERNATE()
+dnl
+dnl supplies --with arguments for autoconf, autoheader, automake, aclocal
+
+AC_DEFUN([AS_AUTOTOOLS_ALTERNATE],
+[
+ dnl allow for different autoconf version
+ AC_ARG_WITH(autoconf,
+ AC_HELP_STRING([--with-autoconf],
+ [use a different autoconf for regeneration of Makefiles]),
+ [
+ unset AUTOCONF
+ AM_MISSING_PROG(AUTOCONF, ${withval})
+ AC_MSG_NOTICE([Using $AUTOCONF as autoconf])
+ ])
+
+ dnl allow for different autoheader version
+ AC_ARG_WITH(autoheader,
+ AC_HELP_STRING([--with-autoheader],
+ [use a different autoheader for regeneration of Makefiles]),
+ [
+ unset AUTOHEADER
+ AM_MISSING_PROG(AUTOHEADER, ${withval})
+ AC_MSG_NOTICE([Using $AUTOHEADER as autoheader])
+ ])
+
+ dnl allow for different automake version
+ AC_ARG_WITH(automake,
+ AC_HELP_STRING([--with-automake],
+ [use a different automake for regeneration of Makefiles]),
+ [
+ unset AUTOMAKE
+ AM_MISSING_PROG(AUTOMAKE, ${withval})
+ AC_MSG_NOTICE([Using $AUTOMAKE as automake])
+ ])
+
+ dnl allow for different aclocal version
+ AC_ARG_WITH(aclocal,
+ AC_HELP_STRING([--with-aclocal],
+ [use a different aclocal for regeneration of Makefiles]),
+ [
+ unset ACLOCAL
+ AM_MISSING_PROG(ACLOCAL, ${withval})
+ AC_MSG_NOTICE([Using $ACLOCAL as aclocal])
+ ])
+])
diff --git a/m4/check-libheader.m4 b/m4/check-libheader.m4
new file mode 100644
index 000000000..1e24d8a97
--- /dev/null
+++ b/m4/check-libheader.m4
@@ -0,0 +1,40 @@
+dnl
+dnl CHECK-LIBHEADER(FEATURE-NAME, LIB-NAME, LIB-FUNCTION, HEADER-NAME,
+dnl ACTION-IF-FOUND, ACTION-IF-NOT-FOUND,
+dnl EXTRA-LDFLAGS, EXTRA-CPPFLAGS)
+dnl
+dnl FEATURE-NAME - feature name; library and header files are treated
+dnl as feature, which we look for
+dnl LIB-NAME - library name as in AC_CHECK_LIB macro
+dnl LIB-FUNCTION - library symbol as in AC_CHECK_LIB macro
+dnl HEADER-NAME - header file name as in AC_CHECK_HEADER
+dnl ACTION-IF-FOUND - when feature is found then execute given action
+dnl ACTION-IF-NOT-FOUND - when feature is not found then execute given action
+dnl EXTRA-LDFLAGS - extra linker flags (-L or -l)
+dnl EXTRA-CPPFLAGS - extra C preprocessor flags, i.e. -I/usr/X11R6/include
+dnl
+dnl Based on GST_CHECK_LIBHEADER from gstreamer plugins 0.3.1.
+dnl
+AC_DEFUN([CHECK_LIBHEADER],
+[
+ AC_CHECK_LIB([$2], [$3], HAVE_[$1]=yes, HAVE_[$1]=no, [$7])
+ check_libheader_feature_name=translit([$1], A-Z, a-z)
+
+ if test "x$HAVE_[$1]" = "xyes"; then
+ check_libheader_save_CPPFLAGS=$CPPFLAGS
+ CPPFLAGS="[$8] $CPPFLAGS"
+ AC_CHECK_HEADER([$4], :, HAVE_[$1]=no)
+ CPPFLAGS=$check_libheader_save_CPPFLAGS
+ fi
+
+ if test "x$HAVE_[$1]" = "xyes"; then
+ ifelse([$5], , :, [$5])
+ AC_MSG_NOTICE($check_libheader_feature_name was found)
+ else
+ ifelse([$6], , :, [$6])
+ AC_MSG_WARN($check_libheader_feature_name not found)
+ fi
+ AC_SUBST(HAVE_[$1])
+]
+)
+