i tried installing postgres openssl doing
./configure --with-openssl
but got error saying
configure: error: header file openssl/ssl.h required openssl
however, have openssl installed. if run openssl version output
openssl 0.9.8zh 14 jan 2016
i came across this solution , tried doing
./configure --with-includes=/usr/local/ssl/include , installed without problems.
can explain whats going on , difference between 2 configure versions?
can explain whats going on , difference between 2 configure versions.
you can run ./configure --help synopsis of arguments:
$ ./configure --help | egrep -i '(ssl|includes)' --with-includes=dirs additional header files in dirs --with-openssl build openssl support
./configure --with-openssl
this enables openssl in postgres. enables checking in autoconf, probing symbols crypto_new_ex_data , ssl_library_init.
it looks configure defines #define use_openssl 1 activates openssl code paths:
$ grep -ir openssl * | grep '.c' ... src/backend/postmaster/fork_process.c:#ifdef use_openssl src/backend/postmaster/fork_process.c:#ifdef use_openssl src/backend/utils/init/postinit.c:#ifdef use_openssl src/backend/utils/init/postinit.c:#ifdef use_openssl src/include/libpq/libpq-be.h:#ifdef use_openssl src/include/libpq/libpq-be.h:#ifdef use_openssl ...
./configure --with-includes=/usr/local/ssl/include
this did not enable openssl. added path headers not used during compilation. use lddon linux , otool -l on os x see if there openssl dependencies.
you should use ./configure --with-openssl --with-includes=/usr/local/ssl/include --with-libraries=/usr/local/ssl/lib. should add cflags="-wl,-rpath=/usr/local/ssl/lib ensure proper runtime linking.
also see postgres issue 14308: postgres 9.5.4 not configure against openssl 1.1.0
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