glib-2.40编译安装

libffi-3.0.0.tar.gz
glib-2.40.0.tar.xz

tar xf libffi-3.0.0.tar.gz
cd libffi-3.0.0
./configure
make
make install
 

export LIBFFI_CFLAGS=-I/usr/local/lib/libffi-3.0.0/include
export LIBFFI_LIBS=/usr/local/lib/libffi.la
export C_INCLUDE_PATH=/usr/local/lib/libffi-3.0.0/include/

configure 配置选项
--enable-debug=no 选项：默认是mini模式，在release的时候应该使用该选项
--disable-included-printf 选项：这个选项要谨慎使用，可能会造成某些 printf 家族的函数不能使用
 
tar xf glib-2.40.0.tar.xz
cd glib-2.40.0
./configure --enable-debug=no
make
make install
 

export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig

#include <stdio.h>
#include <glib.h>
int main(int argc, char *argv[])
{
GString *teststr = NULL;
teststr = g_string_new("1234");
printf ("str is:%s\n", teststr->str);
printf ("len is:%d\n", teststr->len);
g_string_free (teststr, TRUE);
teststr = NULL;
g_return_val_if_fail (teststr, NULL);
return 0;
}

gcc -I /usr/local/include/glib-2.0/ -I /usr/local/lib/glib-2.0/include/ -L/usr/local/lib -lglib-2.0

gcc -I /usr/local/include/glib-2.0/ -I /usr/local/lib/glib-2.0/include/ -DG_DISABLE_CAST_CHECKS -DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -lglib-2.0