gcc first.c -o first.o -I/usr/local/include/freetype2 -lm
/tmp/ccJ2R6G5.o: In function `main':
first.c:(.text+0x26f): undefined reference to `FT_Init_FreeType'
first.c:(.text+0x28e): undefined reference to `FT_New_Face'
first.c:(.text+0x2b2): undefined reference to `FT_Set_Char_Size'
first.c:(.text+0x3d0): undefined reference to `FT_Set_Transform'
first.c:(.text+0x3f8): undefined reference to `FT_Load_Char'
first.c:(.text+0x47f): undefined reference to `FT_Done_Face'
first.c:(.text+0x48b): undefined reference to `FT_Done_FreeType'
collect2: error: ld returned 1 exit status
When I do compilation of the Example given in the site after installing the library, I am getting these errors.