啟動nginx發現

nginx: error while loading shared libraries: libpcre.so.1: cannot open shared object file: No such file or directory

遂檢查pcre的安裝，由于是在測試安裝腳本，遂檢查安裝是否成功，從腳本運行來看，是成功編譯了的，后來又重新編譯pcre

configure ? ?正常

make ? ? ? ? 正常

make install 出錯如下

test?-z?"/usr/local/include"?||?/bin/mkdir?-p?"/usr/local/include"

/usr/bin/install?-c?-m?644?pcre.h?pcrecpparg.h?pcre_stringpiece.h?'/usr/local/include'

test?-z?"/usr/local/lib/pkgconfig"?||?/bin/mkdir?-p?"/usr/local/lib/pkgconfig"

/usr/bin/install?-c?-m?644?libpcre.pc?libpcreposix.pc?libpcrecpp.pc?'/usr/local/lib/pkgconfig'

make??install-data-hook

make[3]:?Entering?directory?`/usr/local/src/itnihao_lnmp/nginx/pcre-8.30'

ln?-s?pcre_assign_jit_stack.3???????????/usr/local/share/man/man3/pcre16_assign_jit_stack.3

ln?-s?pcre_compile.3????????????????????/usr/local/share/man/man3/pcre16_compile.3

ln:?creating?symbolic?link?`/usr/local/share/man/man3/pcre16_compile.3':?File?exists

make[3]:?***?[install-data-hook]?Error?1

make[3]:?Leaving?directory?`/usr/local/src/itnihao_lnmp/nginx/pcre-8.30'

make[2]:?***?[install-data-am]?Error?2

make[2]:?Leaving?directory?`/usr/local/src/itnihao_lnmp/nginx/pcre-8.30'

make[1]:?***?[install-am]?Error?2

make[1]:?Leaving?directory?`/usr/local/src/itnihao_lnmp/nginx/pcre-8.30

處理辦法

rm /usr/local/share/man/man3/pcre* -rf

make clean

make install 立即OK，說明剛才的prce安裝是沒有問題的

下面查看nginx的lipcre問題

find / -name libpcre.so.1

/usr/local/lib/libpcre.so.1

ldconfig -v|grep pcre

ldconfig: Path `/usr/local/lib' given more than once ?報錯了

libpcrecpp.so.0 -> libpcrecpp.so.0.0.0

libpcre.so.1 -> libpcre.so.1.0.0

libpcreposix.so.0 -> libpcreposix.so.0.0.0

libpcre.so.0 -> libpcre.so.0.0.1

libpcrecpp.so.0 -> libpcrecpp.so.0.0.0

libpcreposix.so.0 -> libpcreposix.so.0.0.0

cat /etc/ld.so.conf

include ld.so.conf.d/*.conf

/usr/local/include

/usr/local/lib ?提示多了這行，刪除掉

ldconfig -v|grep pcre

libpcrecpp.so.0 -> libpcrecpp.so.0.0.0

libpcre.so.1 -> libpcre.so.1.0.0

libpcreposix.so.0 -> libpcreposix.so.0.0.0

libpcre.so.0 -> libpcre.so.0.0.1

libpcrecpp.so.0 -> libpcrecpp.so.0.0.0

libpcreposix.so.0 -> libpcreposix.so.0.0.0

再次啟動nginx，則OK

總結：上面的問題其實是pcre的動態庫路徑不對，其實無需編譯pcre，為畫蛇添足的步驟。pcre再次編譯出問題是由于之前安裝過的，寫man目錄文件失敗導致。

總結

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