From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Stefan=20Fr=C3=B6berg?= Date: Mon, 21 Jan 2013 15:11:46 +0200 Subject: [Buildroot] [PATCH] pkg-infra: add documentation for _CONFIG_FIXUP variable Message-ID: <1358773906-30653-1-git-send-email-stefan.froberg@petroprogram.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Signed-off-by: Stefan Fr?berg --- docs/manual/adding-packages-generic.txt | 96 ++++++++++++++++++++++-------- 1 files changed, 70 insertions(+), 26 deletions(-) diff --git a/docs/manual/adding-packages-generic.txt b/docs/manual/adding-packages-generic.txt index 7b8561a..3b61031 100644 --- a/docs/manual/adding-packages-generic.txt +++ b/docs/manual/adding-packages-generic.txt @@ -25,31 +25,32 @@ system is based on hand-written Makefiles or shell scripts. 09: LIBFOO_LICENSE = GPLv3+ 10: LIBFOO_LICENSE_FILES = COPYING 11: LIBFOO_INSTALL_STAGING = YES -12: LIBFOO_DEPENDENCIES = host-libaaa libbbb -13: -14: define LIBFOO_BUILD_CMDS -15: $(MAKE) CC="$(TARGET_CC)" LD="$(TARGET_LD)" -C $(@D) all -16: endef -17: -18: define LIBFOO_INSTALL_STAGING_CMDS -19: $(INSTALL) -D -m 0755 $(@D)/libfoo.a $(STAGING_DIR)/usr/lib/libfoo.a -20: $(INSTALL) -D -m 0644 $(@D)/foo.h $(STAGING_DIR)/usr/include/foo.h -21: $(INSTALL) -D -m 0755 $(@D)/libfoo.so* $(STAGING_DIR)/usr/lib -22: endef -23: -24: define LIBFOO_INSTALL_TARGET_CMDS -25: $(INSTALL) -D -m 0755 $(@D)/libfoo.so* $(TARGET_DIR)/usr/lib -26: $(INSTALL) -d -m 0755 $(TARGET_DIR)/etc/foo.d -27: endef -28: -29: define LIBFOO_DEVICES -30: /dev/foo c 666 0 0 42 0 - - - -31: endef -32: -33: define LIBFOO_PERMISSIONS -34: /bin/foo f 4755 0 0 - - - - - -35: endef -36: +12: LIBFOO_CONFIG_FIXUP = libfoo-config +13: LIBFOO_DEPENDENCIES = host-libaaa libbbb +14: +15: define LIBFOO_BUILD_CMDS +16: $(MAKE) CC="$(TARGET_CC)" LD="$(TARGET_LD)" -C $(@D) all +17: endef +18: +19: define LIBFOO_INSTALL_STAGING_CMDS +20: $(INSTALL) -D -m 0755 $(@D)/libfoo.a $(STAGING_DIR)/usr/lib/libfoo.a +21: $(INSTALL) -D -m 0644 $(@D)/foo.h $(STAGING_DIR)/usr/include/foo.h +22: $(INSTALL) -D -m 0755 $(@D)/libfoo.so* $(STAGING_DIR)/usr/lib +23: endef +24: +25: define LIBFOO_INSTALL_TARGET_CMDS +26: $(INSTALL) -D -m 0755 $(@D)/libfoo.so* $(TARGET_DIR)/usr/lib +27: $(INSTALL) -d -m 0755 $(TARGET_DIR)/etc/foo.d +28: endef +29: +30: define LIBFOO_DEVICES +31: /dev/foo c 666 0 0 42 0 - - - +32: endef +33: +34: define LIBFOO_PERMISSIONS +35: /bin/foo f 4755 0 0 - - - - - +36: endef +37: 37: $(eval $(generic-package)) -------------------------------- @@ -69,7 +70,45 @@ install header files and other development files in the staging space. This will ensure that the commands listed in the +LIBFOO_INSTALL_STAGING_CMDS+ variable will be executed. -On line 12, we specify the list of dependencies this package relies +On line 12, we specify that there is some fixing to be done to some +of the 'libfoo-config' files that were installed during ++LIBFOO_INSTALL_STAGING_CMDS+ phase. +These *-config files are executable shell script files that are +located in '$(STAGING_DIR)/usr/bin' directory and are executed +by other 3rd party packages to find out the location and the linking +flags of this particular package. + +The problem is that all these *-config files by default give wrong, +host system linking flags that are unsuitable for cross-compiling. + +For example: '-I/usr/include' vs. '-I$(STAGING_DIR)/usr/include' +or: '-L/usr/lib' vs. '-L$(STAGING_DIR)/usr/lib' + +So some sed magic is done to these scripts to make them give correct +flags. +The argument to be given to +LIBFOO_CONFIG_FIXUP+ is the file name(s) +of the shell script(s) needing fixing. All these names are relative to +'$(STAGING_DIR)/usr/bin' and if needed multiple names can be given. + +Example 1: + +Package divine installs shell script '$(STAGING_DIR)/usr/bin/divine-config'. + +So it's fixup would be: + +DIVINE_CONFIG = divine-config + +Example 2: + +Package imagemagick installs the following scripts: +'$(STAGING_DIR)/usr/bin/{Magick,Magick++,MagickCore,MagickWand,Wand}-config' + +So it's fixup would be: + +IMAGEMAGICK_CONFIG_FIXUP = Magick-config Magick++-config \ + MagickCore-config MagickWand-config Wand-config + +On line 13, we specify the list of dependencies this package relies on. These dependencies are listed in terms of lower-case package names, which can be packages for the target (without the +host-+ prefix) or packages for the host (with the +host-+) prefix). @@ -240,6 +279,11 @@ information is (assuming the package name is +libfoo+) : variables are executed to install the package into the staging directory. +* +LIBFOO_CONFIG_FIXUP+ lists the names of the files in + '$(STAGING_DIR)/usr/bin' that need some special fixing to make them + cross-compiling friendly. Multiple file names separated by space can be + given and all are relative to '$(STAGING_DIR)/usr/bin'. + * +LIBFOO_INSTALL_TARGET+ can be set to +YES+ (default) or +NO+. If set to +YES+, then the commands in the +LIBFOO_INSTALL_TARGET_CMDS+ variables are executed to install the package into the target -- 1.7.7.6