1
我正在研究使用捲曲和小型文件的小型C項目。 Curl作爲共享庫安裝,Miniz在裏面./miniz_folder/使用靜態庫而不是共享庫
它從給定的URL下載並壓縮單個文件。 我使用的是生成文件:
CC = gcc
#
ifeq ($(OS),Windows_NT)
CCFLAGS += -D WIN32
ifeq ($(PROCESSOR_ARCHITECTURE),AMD64)
CCFLAGS += -D AMD64
endif
ifeq ($(PROCESSOR_ARCHITECTURE),x86)
CCFLAGS += -D IA32
endif
else
UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Linux)
CCFLAGS += -D LINUX
endif
#
# - - Mac OS X - -
#
ifeq ($(UNAME_S),Darwin)
CFLAGS = -Wall -g
CFLAGS += -I/usr/local/lib -L/usr/local/lib
OSNAME = MacOSX
#
endif
#
# - - Ubuntu 64 bits - -
#
UNAME_P := $(shell uname -p)
ifeq ($(UNAME_P),x86_64)
CFLAGS = -Wall -g
CFLAGS += -I/usr/local/lib -L/usr/local/lib
OSNAME = Linux
endif
#
endif
#
# - - - - - - - - - -
#
VERBOSE := -v
CFLAGS += $(VERBOSE) -std=c99
#
example:
$(CC) -v $(CFLAGS) example_code.c -o example_code_$(OSNAME) -lcurl
現在我想用捲曲作爲靜態庫。我讀,我可以Makefile行
CFLAGS += -I/usr/local/lib -L/usr/local/lib
的libcurl.a文件複製到example_code.c的同一位置,並修改
CFLAGS += -Bstatic -L. -lcurl
並添加此
static_example:
$(CC) -v example_code.c $(CFLAGS) -o static_example_code_$(OSNAME)
做的事
make static_example
我得到了
gcc -v example_code.c -Wall -g -Bstatic -L. -lcurl -v -std=c99 -o static_example_code_Linux
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.6.3-1ubuntu5' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --disable-werror --with-arch-32=i686 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
COLLECT_GCC_OPTIONS='-v' '-Wall' '-g' '-B' 'static' '-L.' '-v' '-std=c99' '-o' 'static_example_code_Linux' '-mtune=generic' '-march=x86-64'
/usr/lib/gcc/x86_64-linux-gnu/4.6/cc1 -quiet -v -v -imultilib . -imultiarch x86_64-linux-gnu example_code.c -quiet -dumpbase example_code.c -mtune=generic -march=x86-64 -auxbase example_code -g -Wall -std=c99 -version -fstack-protector -o /tmp/ccOU3ajz.s
GNU C (Ubuntu/Linaro 4.6.3-1ubuntu5) version 4.6.3 (x86_64-linux-gnu)
compiled by GNU C version 4.6.3, GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../x86_64-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc/x86_64-linux-gnu/4.6/include
/usr/local/include
/usr/lib/gcc/x86_64-linux-gnu/4.6/include-fixed
/usr/include/x86_64-linux-gnu
/usr/include
End of search list.
GNU C (Ubuntu/Linaro 4.6.3-1ubuntu5) version 4.6.3 (x86_64-linux-gnu)
compiled by GNU C version 4.6.3, GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 75e879ed14f91af504f4150eadeaa0e6
example_code.c:5:23: fatal error: curl/curl.h: No such file or directory
compilation terminated.
make: *** [static_example] Error 1
有什麼我失蹤了關於使用libcurl.a靜態庫嗎?
確定。現在我有一個包含curl/curl.h和libcurl.a的./include/和一個./lib/文件夾 –
修改了你對這個CFLAGS + = -Bstatic -L./lib -lcurl -I./include的建議。我在libcurl.a(libcurl_la-openssl.o)中得到了幾個「未定義的架構x86_64符號:」像「_ASN1_INTEGER_get」,引用來自: _servercert。使用ldconfig檢查它建議使用-lcurl -lssl -lcrypto -lldap -lz進行靜態鏈接。所以現在我正在使用這一行CFLAGS + = -Bstatic -L./lib -lcurl -lssl -lcrypto -lldap -lz -I./include,現在它在MAC OS X上編譯,仍然需要在linux中測試。 –
是的,你擺脫了編譯錯誤,並遇到一些鏈接器的問題,當編譯c/C++文件時遇到問題的自然順序:) – Cristik