mirror of
https://github.com/lm-sensors/lm-sensors.git
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graysky
68bda21952
The current iconv detection checks if libiconv.so exists via ldconfig, but fails on glibc systems where iconv is built into libc and doesn't require separate linking. This causes build failures: ld: cannot find -liconv: No such file or directory Replace the ldconfig check with a compile test that actually verifies if iconv functions are available without additional libraries. This correctly detects glibc's built-in iconv while still linking -liconv on musl/uclibc systems that need it. Fixes build on glibc-based systems including OpenWrt glibc targets.
69 lines
2.9 KiB
Makefile
69 lines
2.9 KiB
Makefile
# Module.mk - Makefile for a Linux module for reading sensor data.
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# Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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# Note that MODULE_DIR (the directory in which this file resides) is a
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# 'simply expanded variable'. That means that its value is substituted
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# verbatim in the rules, until it is redefined.
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MODULE_DIR := prog/sensors
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PROGSENSORSDIR := $(MODULE_DIR)
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PROGSENSORSMAN1DIR := $(MANDIR)/man1
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PROGSENSORSMAN1FILES := $(MODULE_DIR)/sensors.1
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PROGSENSORSZSHCOMPFILES := $(MODULE_DIR)/_sensors
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# Regrettably, even 'simply expanded variables' will not put their currently
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# defined value verbatim into the command-list of rules...
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PROGSENSORSTARGETS := $(MODULE_DIR)/sensors
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PROGSENSORSSOURCES := $(MODULE_DIR)/main.c $(MODULE_DIR)/chips.c
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# Include all dependency files. We use '.rd' to indicate this will create
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# executables.
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INCLUDEFILES += $(PROGSENSORSSOURCES:.c=.rd)
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REMOVESENSORSBIN := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(BINDIR)/%,$(PROGSENSORSTARGETS))
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REMOVESENSORSMAN := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(PROGSENSORSMAN1DIR)/%,$(PROGSENSORSMAN1FILES))
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REMOVESENSORSZSH := $(patsubst $(MODULE_DIR)/%,$(DESTDIR)$(ZSHCOMPDIR)/%,$(PROGSENSORSZSHCOMPFILES))
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LIBICONV := $(shell printf '%s\n' \
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'#include <iconv.h>' \
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'int main() { iconv_t cd = iconv_open("UTF-8", "ASCII"); return 0; }' \
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| $(CC) $(ALL_CPPFLAGS) -x c - 2>/dev/null && echo || echo \-liconv)
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$(PROGSENSORSTARGETS): $(PROGSENSORSSOURCES:.c=.ro) lib/$(LIBDEP_FOR_PROGS)
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$(CC) -o $@ $(PROGSENSORSSOURCES:.c=.ro) $(LIBICONV) $(EXLDFLAGS) -Llib -lsensors -lm
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all-prog-sensors: $(PROGSENSORSTARGETS)
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user :: all-prog-sensors
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install-prog-sensors: all-prog-sensors
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$(MKDIR) $(DESTDIR)$(BINDIR) $(DESTDIR)$(PROGSENSORSMAN1DIR) $(DESTDIR)$(ZSHCOMPDIR)
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$(INSTALL) -m 755 $(PROGSENSORSTARGETS) $(DESTDIR)$(BINDIR)
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$(INSTALL) -m 644 $(PROGSENSORSMAN1FILES) $(DESTDIR)$(PROGSENSORSMAN1DIR)
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$(INSTALL) -m 644 $(PROGSENSORSZSHCOMPFILES) $(DESTDIR)$(ZSHCOMPDIR)
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user_install :: install-prog-sensors
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user_uninstall::
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$(RM) $(REMOVESENSORSBIN)
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$(RM) $(REMOVESENSORSMAN)
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$(RM) $(REMOVESENSORSZSH)
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clean-prog-sensors:
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$(RM) $(PROGSENSORSDIR)/*.rd $(PROGSENSORSDIR)/*.ro
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$(RM) $(PROGSENSORSTARGETS)
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clean :: clean-prog-sensors
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