remove the hook for creating the m4 directory

Now that we do not override the automagic handling of include
directories witbh aclocal, the missing m4 directories will be
automatically created by aclocal itself.

So we can drop of hooks.

Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
[yann.morin.1998@free.fr: slight rewording in the commit log]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/atest/atest.mk

@@ -12,10 +12,4 @@ ATEST_DEPENDENCIES = host-pkgconf libev alsa-lib
 # Fetched from Github, with no configure script
 ATEST_AUTORECONF = YES
 
-# Autoreconf requires an existing m4 directory
-define ATEST_PATCH_M4
-	mkdir -p $(@D)/m4
-endef
-ATEST_POST_PATCH_HOOKS += ATEST_PATCH_M4
-
 $(eval $(autotools-package))

package/bayer2rgb-neon/bayer2rgb-neon.mk

@@ -15,10 +15,4 @@ BAYER2RGB_NEON_AUTORECONF = YES
 
 BAYER2RGB_NEON_CONF_ENV = CFLAGS="$(TARGET_CFLAGS) -mfpu=neon"
 
-define BAYER2RGB_NEON_PRE_CONFIGURE_FIXUP
-	mkdir -p $(@D)/m4
-endef
-
-BAYER2RGB_NEON_PRE_CONFIGURE_HOOKS += BAYER2RGB_NEON_PRE_CONFIGURE_FIXUP
-
 $(eval $(autotools-package))

package/bluez-alsa/bluez-alsa.mk

@@ -13,12 +13,6 @@ BLUEZ_ALSA_DEPENDENCIES = alsa-lib bluez5_utils libglib2 sbc host-pkgconf
 # git repo, no configure
 BLUEZ_ALSA_AUTORECONF = YES
 
-# Autoreconf requires an existing m4 directory
-define BLUEZ_ALSA_MKDIR_M4
-	mkdir -p $(@D)/m4
-endef
-BLUEZ_ALSA_POST_PATCH_HOOKS += BLUEZ_ALSA_MKDIR_M4
-
 BLUEZ_ALSA_CONF_OPTS = \
 	--enable-aplay \
 	--disable-debug-time \

package/davici/davici.mk

@@ -12,9 +12,4 @@ DAVICI_DEPENDENCIES = strongswan
 DAVICI_INSTALL_STAGING = YES
 DAVICI_AUTORECONF = YES
 
-define DAVICI_CREATE_M4
-	mkdir -p $(@D)/m4
-endef
-DAVICI_POST_PATCH_HOOKS += DAVICI_CREATE_M4
-
 $(eval $(autotools-package))

package/dropwatch/dropwatch.mk

@@ -14,12 +14,6 @@ DROPWATCH_LICENSE_FILES = COPYING
 # From git
 DROPWATCH_AUTORECONF = YES
 
-# Autoreconf step fails due to missing m4 directory
-define DROPWATCH_CREATE_M4_DIR
-	mkdir -p $(@D)/m4
-endef
-DROPWATCH_PRE_CONFIGURE_HOOKS += DROPWATCH_CREATE_M4_DIR
-
 DROPWATCH_CONF_OPTS = --without-bfd
 DROPWATCH_MAKE_OPTS = LIBS=$(TARGET_NLS_LIBS)
 

package/gstreamer/gst-fsl-plugins/gst-fsl-plugins.mk

@@ -37,11 +37,4 @@ else
 GST_FSL_PLUGINS_CONF_OPTS += --disable-x11
 endif
 
-# Autoreconf requires an m4 directory to exist
-define GST_FSL_PLUGINS_PATCH_M4
-	mkdir -p $(@D)/m4
-endef
-
-GST_FSL_PLUGINS_POST_PATCH_HOOKS += GST_FSL_PLUGINS_PATCH_M4
-
 $(eval $(autotools-package))

package/gstreamer1/gst1-plugins-bayer2rgb-neon/gst1-plugins-bayer2rgb-neon.mk

@@ -20,9 +20,4 @@ GST1_PLUGINS_BAYER2RGB_NEON_DEPENDENCIES = \
 
 GST1_PLUGINS_BAYER2RGB_NEON_AUTORECONF = YES
 
-define GST1_PLUGINS_BAYER2RGB_NEON_PRE_CONFIGURE_FIXUP
-	mkdir -p $(@D)/m4
-endef
-GST1_PLUGINS_BAYER2RGB_NEON_PRE_CONFIGURE_HOOKS += GST1_PLUGINS_BAYER2RGB_NEON_PRE_CONFIGURE_FIXUP
-
 $(eval $(autotools-package))

package/gutenprint/gutenprint.mk

@@ -66,13 +66,6 @@ HOST_GUTENPRINT_CONF_OPTS = \
 	--disable-testpattern \
 	--without-cups
 
-# Needed by autoreconf
-define GUTENPRINT_CREATE_M4_DIR
-	mkdir -p $(@D)/m4local
-endef
-GUTENPRINT_POST_PATCH_HOOKS += GUTENPRINT_CREATE_M4_DIR
-HOST_GUTENPRINT_POST_PATCH_HOOKS += GUTENPRINT_CREATE_M4_DIR
-
 define HOST_GUTENPRINT_POST_BUILD_INSTAL_TMP_HEADER
 	cp $(@D)/src/xml/xmli18n-tmp.h $(HOST_DIR)/include
 endef

package/irqbalance/irqbalance.mk

@@ -40,13 +40,6 @@ else
 IRQBALANCE_CONF_OPTS += --without-systemd
 endif
 
-# This would be done by the package's autogen.sh script
-define IRQBALANCE_PRECONFIGURE
-	mkdir -p $(@D)/m4
-endef
-
-IRQBALANCE_PRE_CONFIGURE_HOOKS += IRQBALANCE_PRECONFIGURE
-
 define IRQBALANCE_INSTALL_INIT_SYSV
 	$(INSTALL) -D -m 755 package/irqbalance/S13irqbalance \
 		$(TARGET_DIR)/etc/init.d/S13irqbalance

package/jamvm/jamvm.mk

@@ -24,11 +24,4 @@ ifeq ($(BR2_arm),y)
 JAMVM_CONF_ENV = CFLAGS="$(TARGET_CFLAGS) -marm"
 endif
 
-# Needed for autoreconf
-define JAMVM_CREATE_M4_DIR
-	mkdir -p $(@D)/m4
-endef
-
-JAMVM_POST_PATCH_HOOKS += JAMVM_CREATE_M4_DIR
-
 $(eval $(autotools-package))

package/janus-gateway/janus-gateway.mk

@@ -17,11 +17,6 @@ JANUS_GATEWAY_DEPENDENCIES = host-pkgconf jansson libnice \
 # configure.ac.
 JANUS_GATEWAY_AUTORECONF = YES
 
-define JANUS_GATEWAY_M4
-	mkdir -p $(@D)/m4
-endef
-JANUS_GATEWAY_POST_PATCH_HOOKS += JANUS_GATEWAY_M4
-
 JANUS_GATEWAY_CONF_OPTS = \
 	--disable-data-channels \
 	--disable-sample-event-handler

package/lcdapi/lcdapi.mk

@@ -11,10 +11,4 @@ LCDAPI_LICENSE_FILES = COPYING
 LCDAPI_AUTORECONF = YES
 LCDAPI_INSTALL_STAGING = YES
 
-define LCDAPI_CREATE_M4_DIR
-	mkdir -p $(@D)/m4
-endef
-
-LCDAPI_POST_PATCH_HOOKS += LCDAPI_CREATE_M4_DIR
-
 $(eval $(autotools-package))

package/libdmtx/libdmtx.mk

@@ -12,11 +12,4 @@ LIBDMTX_INSTALL_STAGING = YES
 # github tarball does not include configure
 LIBDMTX_AUTORECONF = YES
 
-# Create the m4 directory (missing from the archive).
-# This is required for autoconf.
-define LIBDMTX_CREATE_M4
-	mkdir -p $(@D)/m4
-endef
-LIBDMTX_PRE_CONFIGURE_HOOKS += LIBDMTX_CREATE_M4
-
 $(eval $(autotools-package))

package/libiscsi/libiscsi.mk

@@ -14,10 +14,4 @@ LIBISCSI_AUTORECONF = YES
 LIBISCSI_CONF_OPTS = --disable-examples --disable-werror --disable-manpages \
 	--disable-test-tool --disable-tests
 
-# We need to create the m4 directory to make autoreconf work properly.
-define LIBISCSI_CREATE_M4_DIR
-	mkdir -p $(@D)/m4
-endef
-LIBISCSI_POST_PATCH_HOOKS += LIBISCSI_CREATE_M4_DIR
-
 $(eval $(autotools-package))

package/libpam-nfc/libpam-nfc.mk

@@ -19,10 +19,4 @@ LIBPAM_NFC_CONF_OPTS = \
 # libpam breaks with parallel build, but is very fast to build.
 LIBPAM_NFC_MAKE = $(MAKE1)
 
-# Autoreconf requires an existing m4 directory
-define LIBPAM_NFC_MKDIR_M4
-	mkdir -p $(@D)/m4
-endef
-LIBPAM_NFC_PRE_CONFIGURE_HOOKS += LIBPAM_NFC_MKDIR_M4
-
 $(eval $(autotools-package))

package/libsoundtouch/libsoundtouch.mk

@@ -12,9 +12,4 @@ LIBSOUNDTOUCH_LICENSE_FILES = COPYING.TXT
 LIBSOUNDTOUCH_AUTORECONF = YES
 LIBSOUNDTOUCH_INSTALL_STAGING = YES
 
-define LIBSOUNDTOUCH_CREATE_CONFIG_M4
-	mkdir -p $(@D)/config/m4
-endef
-LIBSOUNDTOUCH_POST_PATCH_HOOKS += LIBSOUNDTOUCH_CREATE_CONFIG_M4
-
 $(eval $(autotools-package))

package/libva-utils/libva-utils.mk

@@ -11,10 +11,4 @@ LIBVA_UTILS_LICENSE = MIT
 LIBVA_UTILS_LICENSE_FILES = COPYING
 LIBVA_UTILS_DEPENDENCIES = host-pkgconf libva
 
-define LIBVA_UTILS_CREATE_M4_DIR
-	@mkdir -p $(@D)/m4
-endef
-
-LIBVA_UTILS_POST_EXTRACT_HOOKS += LIBVA_UTILS_CREATE_M4_DIR
-
 $(eval $(autotools-package))

package/ltrace/ltrace.mk

@@ -12,11 +12,6 @@ LTRACE_LICENSE = GPL-2.0
 LTRACE_LICENSE_FILES = COPYING
 LTRACE_AUTORECONF = YES
 
-define LTRACE_CREATE_CONFIG_M4
-	mkdir -p $(@D)/config/m4
-endef
-LTRACE_POST_PATCH_HOOKS += LTRACE_CREATE_CONFIG_M4
-
 # ltrace can use libunwind only if libc has backtrace() support
 # We don't normally do so for uClibc and we can't know if it's external
 # Also ltrace with libunwind support is broken for MIPS so we disable it

package/mfoc/mfoc.mk

@@ -13,10 +13,4 @@ MFOC_DEPENDENCIES = libnfc
 MFOC_AUTORECONF = YES
 MFOC_INSTALL_STAGING = YES
 
-# Autoreconf requires an existing m4 directory
-define MFOC_MKDIR_M4
-	mkdir -p $(@D)/m4
-endef
-MFOC_PRE_CONFIGURE_HOOKS += MFOC_MKDIR_M4
-
 $(eval $(autotools-package))

package/minicom/minicom.mk

@@ -16,12 +16,6 @@ MINICOM_DEPENDENCIES = ncurses $(if $(BR2_ENABLE_LOCALE),,libiconv) \
 # add host-gettext for AM_ICONV macro
 MINICOM_DEPENDENCIES += host-gettext
 
-# Autoreconf requires an existing m4 directory
-define MINICOM_MKDIR_M4
-	mkdir -p $(@D)/m4
-endef
-MINICOM_POST_PATCH_HOOKS += MINICOM_MKDIR_M4
-
 MINICOM_CONF_OPTS = \
 	--enable-dfl-port=/dev/ttyS1 \
 	--enable-lock-dir=/var/lock

package/musl-fts/musl-fts.mk

@@ -13,9 +13,4 @@ MUSL_FTS_LICENSE_FILES = COPYING
 MUSL_FTS_DEPENDENCIES = host-pkgconf
 MUSL_FTS_INSTALL_STAGING = YES
 
-define MUSL_FTS_CREATE_M4_DIR
-	mkdir -p $(@D)/m4
-endef
-MUSL_FTS_POST_PATCH_HOOKS += MUSL_FTS_CREATE_M4_DIR
-
 $(eval $(autotools-package))

package/open-lldp/open-lldp.mk

@@ -13,12 +13,4 @@ OPEN_LLDP_LICENSE_FILES = COPYING
 # Fetching from git, need to generate configure/Makefile.in
 OPEN_LLDP_AUTORECONF = YES
 
-# Create the m4 directory (missing from the archive).
-# This is required for autoconf.
-define OPEN_LLDP_CREATE_M4
-	mkdir -p $(@D)/m4
-endef
-
-OPEN_LLDP_PRE_CONFIGURE_HOOKS += OPEN_LLDP_CREATE_M4
-
 $(eval $(autotools-package))

package/openpgm/openpgm.mk

@@ -12,14 +12,6 @@ OPENPGM_INSTALL_STAGING = YES
 OPENPGM_SUBDIR = openpgm/pgm
 OPENPGM_AUTORECONF = YES
 
-# We need to create the m4 directory to make sure that autoreconf will
-# start calling libtoolize. Otherwise it will start with aclocal and it
-# will fail because the m4 directory doesn't exist.
-define OPENPGM_CREATE_M4_DIR
-	mkdir -p $(@D)/$(OPENPGM_SUBDIR)/m4
-endef
-OPENPGM_POST_PATCH_HOOKS += OPENPGM_CREATE_M4_DIR
-
 OPENPGM_CONF_ENV = \
 	ac_cv_file__proc_cpuinfo=yes \
 	ac_cv_file__dev_rtc=no \

package/pdbg/pdbg.mk

@@ -13,9 +13,4 @@ PDBG_DEPENDENCIES = host-dtc
 
 PDBG_MAKE_OPTS = "GIT_SHA1=\"v$(PDBG_VERSION)\""
 
-define PDBG_PATCH_M4
-	mkdir -p $(@D)/m4
-endef
-PDBG_POST_PATCH_HOOKS += PDBG_PATCH_M4
-
 $(eval $(autotools-package))

package/sdbusplus/sdbusplus.mk

@@ -22,11 +22,5 @@ SDBUSPLUS_INSTALL_STAGING = YES
 SDBUSPLUS_LICENSE = Apache-2.0
 SDBUSPLUS_LICENSE_FILES = LICENSE
 
-define SDBUSPLUS_CREATE_M4
-	mkdir -p $(@D)/m4
-endef
-SDBUSPLUS_POST_PATCH_HOOKS += SDBUSPLUS_CREATE_M4
-HOST_SDBUSPLUS_POST_PATCH_HOOKS += SDBUSPLUS_CREATE_M4
-
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))

package/speexdsp/speexdsp.mk

@@ -13,10 +13,4 @@ SPEEXDSP_INSTALL_STAGING = YES
 SPEEXDSP_DEPENDENCIES = host-pkgconf
 SPEEXDSP_AUTORECONF = YES
 
-# Autoreconf step fails due to missing m4 directory
-define SPEEXDSP_CREATE_M4_DIR
-	mkdir -p $(@D)/m4
-endef
-SPEEXDSP_PRE_CONFIGURE_HOOKS += SPEEXDSP_CREATE_M4_DIR
-
 $(eval $(autotools-package))

package/sysprof/sysprof.mk

@@ -14,10 +14,4 @@ ifeq ($(BR2_PACKAGE_SYSPROF_GUI),y)
 SYSPROF_DEPENDENCIES += libgtk2 libglade gdk-pixbuf
 endif
 
-define SYSPROF_CREATE_M4_DIR
-	mkdir -p $(@D)/m4
-endef
-
-SYSPROF_POST_PATCH_HOOKS += SYSPROF_CREATE_M4_DIR
-
 $(eval $(autotools-package))

package/tesseract-ocr/tesseract-ocr.mk

@@ -53,13 +53,6 @@ TESSERACT_OCR_EXTRA_DOWNLOADS = \
 	$(addprefix https://github.com/tesseract-ocr/tessdata/raw/$(TESSERACT_OCR_DATA_VERSION)/,\
 		$(TESSERACT_OCR_DATA_FILES))
 
-define TESSERACT_OCR_PRECONFIGURE
-	# Autoreconf step fails due to missing m4 directory
-	mkdir -p $(@D)/m4
-endef
-
-TESSERACT_OCR_PRE_CONFIGURE_HOOKS += TESSERACT_OCR_PRECONFIGURE
-
 # Language data files installation
 define TESSERACT_OCR_INSTALL_LANG_DATA
 	$(foreach langfile,$(TESSERACT_OCR_DATA_FILES), \